Home / 1,500,501.26-2,070,691.54-812,172.98

Finding the Fourth Proportional to 1,500,501.26, 2,070,691.54 and 812,172.98

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Solution

The fourth proportional to 1,500,501.26, 2,070,691.54 and 812,172.98 is: 1,120,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,501.26 : 2,070,691.54 = 812,172.98 : x
  2. Step 2: Convert to fraction form
    1,500,501.26/2,070,691.54 = 812,172.98/x
  3. Step 3: Cross multiply
    1,500,501.26x = 2,070,691.54 × 812,172.98
  4. Step 4: Simplify right side
    1,500,501.26x = 1,681,759,718,702.59
  5. Step 5: Solve for x
    x = 1,681,759,718,702.59/1,500,501.26
  6. Step 6: Final answer
    x = 1,120,798.60

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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.