Home / 1,432,541.89-1,976,875.63-787,947.94

Finding the Fourth Proportional to 1,432,541.89, 1,976,875.63 and 787,947.94

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Solution

The fourth proportional to 1,432,541.89, 1,976,875.63 and 787,947.94 is: 1,087,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,541.89 : 1,976,875.63 = 787,947.94 : x
  2. Step 2: Convert to fraction form
    1,432,541.89/1,976,875.63 = 787,947.94/x
  3. Step 3: Cross multiply
    1,432,541.89x = 1,976,875.63 × 787,947.94
  4. Step 4: Simplify right side
    1,432,541.89x = 1,557,675,080,294.70
  5. Step 5: Solve for x
    x = 1,557,675,080,294.70/1,432,541.89
  6. Step 6: Final answer
    x = 1,087,350.46

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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.