Home / 1,507,011.40-2,260,808.70-442,088.20

Finding the Fourth Proportional to 1,507,011.40, 2,260,808.70 and 442,088.20

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Solution

The fourth proportional to 1,507,011.40, 2,260,808.70 and 442,088.20 is: 663,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,011.40 : 2,260,808.70 = 442,088.20 : x
  2. Step 2: Convert to fraction form
    1,507,011.40/2,260,808.70 = 442,088.20/x
  3. Step 3: Cross multiply
    1,507,011.40x = 2,260,808.70 × 442,088.20
  4. Step 4: Simplify right side
    1,507,011.40x = 999,476,848,727.34
  5. Step 5: Solve for x
    x = 999,476,848,727.34/1,507,011.40
  6. Step 6: Final answer
    x = 663,217.84

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Double scale
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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.