Home / 1,213,148.67-1,819,657.39-371,702.85

Finding the Fourth Proportional to 1,213,148.67, 1,819,657.39 and 371,702.85

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Solution

The fourth proportional to 1,213,148.67, 1,819,657.39 and 371,702.85 is: 557,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,148.67 : 1,819,657.39 = 371,702.85 : x
  2. Step 2: Convert to fraction form
    1,213,148.67/1,819,657.39 = 371,702.85/x
  3. Step 3: Cross multiply
    1,213,148.67x = 1,819,657.39 × 371,702.85
  4. Step 4: Simplify right side
    1,213,148.67x = 676,371,830,830.53
  5. Step 5: Solve for x
    x = 676,371,830,830.53/1,213,148.67
  6. Step 6: Final answer
    x = 557,534.17

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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.