Home / 1,307,251.06-1,803,726.60-763,139.92

Finding the Fourth Proportional to 1,307,251.06, 1,803,726.60 and 763,139.92

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Solution

The fourth proportional to 1,307,251.06, 1,803,726.60 and 763,139.92 is: 1,052,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,251.06 : 1,803,726.60 = 763,139.92 : x
  2. Step 2: Convert to fraction form
    1,307,251.06/1,803,726.60 = 763,139.92/x
  3. Step 3: Cross multiply
    1,307,251.06x = 1,803,726.60 × 763,139.92
  4. Step 4: Simplify right side
    1,307,251.06x = 1,376,495,773,225.87
  5. Step 5: Solve for x
    x = 1,376,495,773,225.87/1,307,251.06
  6. Step 6: Final answer
    x = 1,052,969.71

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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.