Home / 992,463.60-1,488,695.40-571,393.20

Finding the Fourth Proportional to 992,463.60, 1,488,695.40 and 571,393.20

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Solution

The fourth proportional to 992,463.60, 1,488,695.40 and 571,393.20 is: 857,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,463.60 : 1,488,695.40 = 571,393.20 : x
  2. Step 2: Convert to fraction form
    992,463.60/1,488,695.40 = 571,393.20/x
  3. Step 3: Cross multiply
    992,463.60x = 1,488,695.40 × 571,393.20
  4. Step 4: Simplify right side
    992,463.60x = 850,630,428,431.28
  5. Step 5: Solve for x
    x = 850,630,428,431.28/992,463.60
  6. Step 6: Final answer
    x = 857,089.80

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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.