Home / 1,557,551.10-2,331,661.05-926,139.90

Finding the Fourth Proportional to 1,557,551.10, 2,331,661.05 and 926,139.90

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Solution

The fourth proportional to 1,557,551.10, 2,331,661.05 and 926,139.90 is: 1,386,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,551.10 : 2,331,661.05 = 926,139.90 : x
  2. Step 2: Convert to fraction form
    1,557,551.10/2,331,661.05 = 926,139.90/x
  3. Step 3: Cross multiply
    1,557,551.10x = 2,331,661.05 × 926,139.90
  4. Step 4: Simplify right side
    1,557,551.10x = 2,159,444,331,680.89
  5. Step 5: Solve for x
    x = 2,159,444,331,680.89/1,557,551.10
  6. Step 6: Final answer
    x = 1,386,435.62

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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.