Home / 1,509,729.90-2,266,013.66-790,587.76

Finding the Fourth Proportional to 1,509,729.90, 2,266,013.66 and 790,587.76

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Solution

The fourth proportional to 1,509,729.90, 2,266,013.66 and 790,587.76 is: 1,186,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,729.90 : 2,266,013.66 = 790,587.76 : x
  2. Step 2: Convert to fraction form
    1,509,729.90/2,266,013.66 = 790,587.76/x
  3. Step 3: Cross multiply
    1,509,729.90x = 2,266,013.66 × 790,587.76
  4. Step 4: Simplify right side
    1,509,729.90x = 1,791,482,663,588.80
  5. Step 5: Solve for x
    x = 1,791,482,663,588.80/1,509,729.90
  6. Step 6: Final answer
    x = 1,186,624.62

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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.