Home / 1,070,641.72-1,605,454.02-621,500.32

Finding the Fourth Proportional to 1,070,641.72, 1,605,454.02 and 621,500.32

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Solution

The fourth proportional to 1,070,641.72, 1,605,454.02 and 621,500.32 is: 931,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,641.72 : 1,605,454.02 = 621,500.32 : x
  2. Step 2: Convert to fraction form
    1,070,641.72/1,605,454.02 = 621,500.32/x
  3. Step 3: Cross multiply
    1,070,641.72x = 1,605,454.02 × 621,500.32
  4. Step 4: Simplify right side
    1,070,641.72x = 997,790,187,175.29
  5. Step 5: Solve for x
    x = 997,790,187,175.29/1,070,641.72
  6. Step 6: Final answer
    x = 931,955.26

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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.