Home / 1,001,031.60-1,499,579.10-930,172.80

Finding the Fourth Proportional to 1,001,031.60, 1,499,579.10 and 930,172.80

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Solution

The fourth proportional to 1,001,031.60, 1,499,579.10 and 930,172.80 is: 1,393,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,031.60 : 1,499,579.10 = 930,172.80 : x
  2. Step 2: Convert to fraction form
    1,001,031.60/1,499,579.10 = 930,172.80/x
  3. Step 3: Cross multiply
    1,001,031.60x = 1,499,579.10 × 930,172.80
  4. Step 4: Simplify right side
    1,001,031.60x = 1,394,867,690,268.48
  5. Step 5: Solve for x
    x = 1,394,867,690,268.48/1,001,031.60
  6. Step 6: Final answer
    x = 1,393,430.23

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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.