Home / 1,145,445.18-1,580,622.12-662,041.64

Finding the Fourth Proportional to 1,145,445.18, 1,580,622.12 and 662,041.64

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Solution

The fourth proportional to 1,145,445.18, 1,580,622.12 and 662,041.64 is: 913,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,445.18 : 1,580,622.12 = 662,041.64 : x
  2. Step 2: Convert to fraction form
    1,145,445.18/1,580,622.12 = 662,041.64/x
  3. Step 3: Cross multiply
    1,145,445.18x = 1,580,622.12 × 662,041.64
  4. Step 4: Simplify right side
    1,145,445.18x = 1,046,437,652,641.97
  5. Step 5: Solve for x
    x = 1,046,437,652,641.97/1,145,445.18
  6. Step 6: Final answer
    x = 913,564.15

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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.