Home / 1,557,115.92-2,148,823.08-841,723.92

Finding the Fourth Proportional to 1,557,115.92, 2,148,823.08 and 841,723.92

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Solution

The fourth proportional to 1,557,115.92, 2,148,823.08 and 841,723.92 is: 1,161,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,115.92 : 2,148,823.08 = 841,723.92 : x
  2. Step 2: Convert to fraction form
    1,557,115.92/2,148,823.08 = 841,723.92/x
  3. Step 3: Cross multiply
    1,557,115.92x = 2,148,823.08 × 841,723.92
  4. Step 4: Simplify right side
    1,557,115.92x = 1,808,715,786,284.07
  5. Step 5: Solve for x
    x = 1,808,715,786,284.07/1,557,115.92
  6. Step 6: Final answer
    x = 1,161,580.69

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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.