Home / 1,572,639.16-2,358,960.56-478,432.92

Finding the Fourth Proportional to 1,572,639.16, 2,358,960.56 and 478,432.92

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Solution

The fourth proportional to 1,572,639.16, 2,358,960.56 and 478,432.92 is: 717,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,639.16 : 2,358,960.56 = 478,432.92 : x
  2. Step 2: Convert to fraction form
    1,572,639.16/2,358,960.56 = 478,432.92/x
  3. Step 3: Cross multiply
    1,572,639.16x = 2,358,960.56 × 478,432.92
  4. Step 4: Simplify right side
    1,572,639.16x = 1,128,604,388,885.64
  5. Step 5: Solve for x
    x = 1,128,604,388,885.64/1,572,639.16
  6. Step 6: Final answer
    x = 717,649.93

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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.