Home / 1,438,498.02-2,156,031.08-668,956.92

Finding the Fourth Proportional to 1,438,498.02, 2,156,031.08 and 668,956.92

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Solution

The fourth proportional to 1,438,498.02, 2,156,031.08 and 668,956.92 is: 1,002,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,498.02 : 2,156,031.08 = 668,956.92 : x
  2. Step 2: Convert to fraction form
    1,438,498.02/2,156,031.08 = 668,956.92/x
  3. Step 3: Cross multiply
    1,438,498.02x = 2,156,031.08 × 668,956.92
  4. Step 4: Simplify right side
    1,438,498.02x = 1,442,291,910,701.07
  5. Step 5: Solve for x
    x = 1,442,291,910,701.07/1,438,498.02
  6. Step 6: Final answer
    x = 1,002,637.40

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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.