Home / 1,500,031.08-2,070,048.38-811,702.95

Finding the Fourth Proportional to 1,500,031.08, 2,070,048.38 and 811,702.95

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Solution

The fourth proportional to 1,500,031.08, 2,070,048.38 and 811,702.95 is: 1,120,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,031.08 : 2,070,048.38 = 811,702.95 : x
  2. Step 2: Convert to fraction form
    1,500,031.08/2,070,048.38 = 811,702.95/x
  3. Step 3: Cross multiply
    1,500,031.08x = 2,070,048.38 × 811,702.95
  4. Step 4: Simplify right side
    1,500,031.08x = 1,680,264,378,717.98
  5. Step 5: Solve for x
    x = 1,680,264,378,717.98/1,500,031.08
  6. Step 6: Final answer
    x = 1,120,153.04

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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.