Home / 1,068,963.48-1,603,520.06-429,267.20

Finding the Fourth Proportional to 1,068,963.48, 1,603,520.06 and 429,267.20

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Solution

The fourth proportional to 1,068,963.48, 1,603,520.06 and 429,267.20 is: 643,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,963.48 : 1,603,520.06 = 429,267.20 : x
  2. Step 2: Convert to fraction form
    1,068,963.48/1,603,520.06 = 429,267.20/x
  3. Step 3: Cross multiply
    1,068,963.48x = 1,603,520.06 × 429,267.20
  4. Step 4: Simplify right side
    1,068,963.48x = 688,338,566,300.03
  5. Step 5: Solve for x
    x = 688,338,566,300.03/1,068,963.48
  6. Step 6: Final answer
    x = 643,930.85

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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.