Home / 992,002.80-1,488,004.20-693,404.40

Finding the Fourth Proportional to 992,002.80, 1,488,004.20 and 693,404.40

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Solution

The fourth proportional to 992,002.80, 1,488,004.20 and 693,404.40 is: 1,040,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,002.80 : 1,488,004.20 = 693,404.40 : x
  2. Step 2: Convert to fraction form
    992,002.80/1,488,004.20 = 693,404.40/x
  3. Step 3: Cross multiply
    992,002.80x = 1,488,004.20 × 693,404.40
  4. Step 4: Simplify right side
    992,002.80x = 1,031,788,659,498.48
  5. Step 5: Solve for x
    x = 1,031,788,659,498.48/992,002.80
  6. Step 6: Final answer
    x = 1,040,106.60

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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.