Home / 1,452,498.40-2,178,747.60-742,290.40

Finding the Fourth Proportional to 1,452,498.40, 2,178,747.60 and 742,290.40

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Solution

The fourth proportional to 1,452,498.40, 2,178,747.60 and 742,290.40 is: 1,113,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,498.40 : 2,178,747.60 = 742,290.40 : x
  2. Step 2: Convert to fraction form
    1,452,498.40/2,178,747.60 = 742,290.40/x
  3. Step 3: Cross multiply
    1,452,498.40x = 2,178,747.60 × 742,290.40
  4. Step 4: Simplify right side
    1,452,498.40x = 1,617,263,427,503.04
  5. Step 5: Solve for x
    x = 1,617,263,427,503.04/1,452,498.40
  6. Step 6: Final answer
    x = 1,113,435.60

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Similar ratio
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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.