Home / 1,070,587.67-1,605,373.02-621,446.31

Finding the Fourth Proportional to 1,070,587.67, 1,605,373.02 and 621,446.31

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Solution

The fourth proportional to 1,070,587.67, 1,605,373.02 and 621,446.31 is: 931,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,587.67 : 1,605,373.02 = 621,446.31 : x
  2. Step 2: Convert to fraction form
    1,070,587.67/1,605,373.02 = 621,446.31/x
  3. Step 3: Cross multiply
    1,070,587.67x = 1,605,373.02 × 621,446.31
  4. Step 4: Simplify right side
    1,070,587.67x = 997,653,139,452.56
  5. Step 5: Solve for x
    x = 997,653,139,452.56/1,070,587.67
  6. Step 6: Final answer
    x = 931,874.31

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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.