Home / 1,624,358.40-2,436,537.60-442,406.40

Finding the Fourth Proportional to 1,624,358.40, 2,436,537.60 and 442,406.40

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Solution

The fourth proportional to 1,624,358.40, 2,436,537.60 and 442,406.40 is: 663,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,358.40 : 2,436,537.60 = 442,406.40 : x
  2. Step 2: Convert to fraction form
    1,624,358.40/2,436,537.60 = 442,406.40/x
  3. Step 3: Cross multiply
    1,624,358.40x = 2,436,537.60 × 442,406.40
  4. Step 4: Simplify right side
    1,624,358.40x = 1,077,939,828,080.64
  5. Step 5: Solve for x
    x = 1,077,939,828,080.64/1,624,358.40
  6. Step 6: Final answer
    x = 663,609.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.