Home / 1,500,031.02-2,070,048.29-811,702.88

Finding the Fourth Proportional to 1,500,031.02, 2,070,048.29 and 811,702.88

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Solution

The fourth proportional to 1,500,031.02, 2,070,048.29 and 811,702.88 is: 1,120,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,031.02 : 2,070,048.29 = 811,702.88 : x
  2. Step 2: Convert to fraction form
    1,500,031.02/2,070,048.29 = 811,702.88/x
  3. Step 3: Cross multiply
    1,500,031.02x = 2,070,048.29 × 811,702.88
  4. Step 4: Simplify right side
    1,500,031.02x = 1,680,264,165,936.45
  5. Step 5: Solve for x
    x = 1,680,264,165,936.45/1,500,031.02
  6. Step 6: Final answer
    x = 1,120,152.95

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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.