Home / 1,069,175.25-1,603,569.15-429,453.18

Finding the Fourth Proportional to 1,069,175.25, 1,603,569.15 and 429,453.18

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Solution

The fourth proportional to 1,069,175.25, 1,603,569.15 and 429,453.18 is: 644,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,175.25 : 1,603,569.15 = 429,453.18 : x
  2. Step 2: Convert to fraction form
    1,069,175.25/1,603,569.15 = 429,453.18/x
  3. Step 3: Cross multiply
    1,069,175.25x = 1,603,569.15 × 429,453.18
  4. Step 4: Simplify right side
    1,069,175.25x = 688,657,870,817.40
  5. Step 5: Solve for x
    x = 688,657,870,817.40/1,069,175.25
  6. Step 6: Final answer
    x = 644,101.96

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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.