Home / 1,086,877.02-1,630,314.45-712,812.54

Finding the Fourth Proportional to 1,086,877.02, 1,630,314.45 and 712,812.54

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Solution

The fourth proportional to 1,086,877.02, 1,630,314.45 and 712,812.54 is: 1,069,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,877.02 : 1,630,314.45 = 712,812.54 : x
  2. Step 2: Convert to fraction form
    1,086,877.02/1,630,314.45 = 712,812.54/x
  3. Step 3: Cross multiply
    1,086,877.02x = 1,630,314.45 × 712,812.54
  4. Step 4: Simplify right side
    1,086,877.02x = 1,162,108,584,103.20
  5. Step 5: Solve for x
    x = 1,162,108,584,103.20/1,086,877.02
  6. Step 6: Final answer
    x = 1,069,218.10

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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.