Home / 1,112,740.16-1,668,691.20-402,592.64

Finding the Fourth Proportional to 1,112,740.16, 1,668,691.20 and 402,592.64

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Solution

The fourth proportional to 1,112,740.16, 1,668,691.20 and 402,592.64 is: 603,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,740.16 : 1,668,691.20 = 402,592.64 : x
  2. Step 2: Convert to fraction form
    1,112,740.16/1,668,691.20 = 402,592.64/x
  3. Step 3: Cross multiply
    1,112,740.16x = 1,668,691.20 × 402,592.64
  4. Step 4: Simplify right side
    1,112,740.16x = 671,802,795,552.77
  5. Step 5: Solve for x
    x = 671,802,795,552.77/1,112,740.16
  6. Step 6: Final answer
    x = 603,737.35

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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.