Home / 1,216,870.52-1,679,798.38-758,211.70

Finding the Fourth Proportional to 1,216,870.52, 1,679,798.38 and 758,211.70

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Solution

The fourth proportional to 1,216,870.52, 1,679,798.38 and 758,211.70 is: 1,046,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,870.52 : 1,679,798.38 = 758,211.70 : x
  2. Step 2: Convert to fraction form
    1,216,870.52/1,679,798.38 = 758,211.70/x
  3. Step 3: Cross multiply
    1,216,870.52x = 1,679,798.38 × 758,211.70
  4. Step 4: Simplify right side
    1,216,870.52x = 1,273,642,791,283.33
  5. Step 5: Solve for x
    x = 1,273,642,791,283.33/1,216,870.52
  6. Step 6: Final answer
    x = 1,046,654.33

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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.