Home / 1,676,459.43-2,515,113.59-478,386

Finding the Fourth Proportional to 1,676,459.43, 2,515,113.59 and 478,386

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Solution

The fourth proportional to 1,676,459.43, 2,515,113.59 and 478,386 is: 717,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,459.43 : 2,515,113.59 = 478,386 : x
  2. Step 2: Convert to fraction form
    1,676,459.43/2,515,113.59 = 478,386/x
  3. Step 3: Cross multiply
    1,676,459.43x = 2,515,113.59 × 478,386
  4. Step 4: Simplify right side
    1,676,459.43x = 1,203,195,127,473.81
  5. Step 5: Solve for x
    x = 1,203,195,127,473.81/1,676,459.43
  6. Step 6: Final answer
    x = 717,700.12

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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.