Home / 1,137,520.01-1,570,487.58-724,290

Finding the Fourth Proportional to 1,137,520.01, 1,570,487.58 and 724,290

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Solution

The fourth proportional to 1,137,520.01, 1,570,487.58 and 724,290 is: 999,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,520.01 : 1,570,487.58 = 724,290 : x
  2. Step 2: Convert to fraction form
    1,137,520.01/1,570,487.58 = 724,290/x
  3. Step 3: Cross multiply
    1,137,520.01x = 1,570,487.58 × 724,290
  4. Step 4: Simplify right side
    1,137,520.01x = 1,137,488,449,318.20
  5. Step 5: Solve for x
    x = 1,137,488,449,318.20/1,137,520.01
  6. Step 6: Final answer
    x = 999,972.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.