Home / 1,357,243.92-1,873,146.42-776,520.90

Finding the Fourth Proportional to 1,357,243.92, 1,873,146.42 and 776,520.90

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Solution

The fourth proportional to 1,357,243.92, 1,873,146.42 and 776,520.90 is: 1,071,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,243.92 : 1,873,146.42 = 776,520.90 : x
  2. Step 2: Convert to fraction form
    1,357,243.92/1,873,146.42 = 776,520.90/x
  3. Step 3: Cross multiply
    1,357,243.92x = 1,873,146.42 × 776,520.90
  4. Step 4: Simplify right side
    1,357,243.92x = 1,454,537,343,890.18
  5. Step 5: Solve for x
    x = 1,454,537,343,890.18/1,357,243.92
  6. Step 6: Final answer
    x = 1,071,684.55

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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.