Home / 1,127,275.29-1,690,492.80-453,129.36

Finding the Fourth Proportional to 1,127,275.29, 1,690,492.80 and 453,129.36

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Solution

The fourth proportional to 1,127,275.29, 1,690,492.80 and 453,129.36 is: 679,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,275.29 : 1,690,492.80 = 453,129.36 : x
  2. Step 2: Convert to fraction form
    1,127,275.29/1,690,492.80 = 453,129.36/x
  3. Step 3: Cross multiply
    1,127,275.29x = 1,690,492.80 × 453,129.36
  4. Step 4: Simplify right side
    1,127,275.29x = 766,011,920,548.61
  5. Step 5: Solve for x
    x = 766,011,920,548.61/1,127,275.29
  6. Step 6: Final answer
    x = 679,525.16

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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.