Home / 1,488,031.02-2,053,643.13-843,381.90

Finding the Fourth Proportional to 1,488,031.02, 2,053,643.13 and 843,381.90

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Solution

The fourth proportional to 1,488,031.02, 2,053,643.13 and 843,381.90 is: 1,163,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,031.02 : 2,053,643.13 = 843,381.90 : x
  2. Step 2: Convert to fraction form
    1,488,031.02/2,053,643.13 = 843,381.90/x
  3. Step 3: Cross multiply
    1,488,031.02x = 2,053,643.13 × 843,381.90
  4. Step 4: Simplify right side
    1,488,031.02x = 1,732,005,444,901.35
  5. Step 5: Solve for x
    x = 1,732,005,444,901.35/1,488,031.02
  6. Step 6: Final answer
    x = 1,163,957.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.