Home / 1,420,061.90-2,130,111.68-473,432.92

Finding the Fourth Proportional to 1,420,061.90, 2,130,111.68 and 473,432.92

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Solution

The fourth proportional to 1,420,061.90, 2,130,111.68 and 473,432.92 is: 710,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,061.90 : 2,130,111.68 = 473,432.92 : x
  2. Step 2: Convert to fraction form
    1,420,061.90/2,130,111.68 = 473,432.92/x
  3. Step 3: Cross multiply
    1,420,061.90x = 2,130,111.68 × 473,432.92
  4. Step 4: Simplify right side
    1,420,061.90x = 1,008,464,984,896.06
  5. Step 5: Solve for x
    x = 1,008,464,984,896.06/1,420,061.90
  6. Step 6: Final answer
    x = 710,155.65

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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.