Home / 1,407,821.68-2,111,691.18-342,848.28

Finding the Fourth Proportional to 1,407,821.68, 2,111,691.18 and 342,848.28

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Solution

The fourth proportional to 1,407,821.68, 2,111,691.18 and 342,848.28 is: 514,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,821.68 : 2,111,691.18 = 342,848.28 : x
  2. Step 2: Convert to fraction form
    1,407,821.68/2,111,691.18 = 342,848.28/x
  3. Step 3: Cross multiply
    1,407,821.68x = 2,111,691.18 × 342,848.28
  4. Step 4: Simplify right side
    1,407,821.68x = 723,989,688,954.17
  5. Step 5: Solve for x
    x = 723,989,688,954.17/1,407,821.68
  6. Step 6: Final answer
    x = 514,262.35

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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.