Home / 1,125,145.25-1,552,715.03-615,836.69

Finding the Fourth Proportional to 1,125,145.25, 1,552,715.03 and 615,836.69

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Solution

The fourth proportional to 1,125,145.25, 1,552,715.03 and 615,836.69 is: 849,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,145.25 : 1,552,715.03 = 615,836.69 : x
  2. Step 2: Convert to fraction form
    1,125,145.25/1,552,715.03 = 615,836.69/x
  3. Step 3: Cross multiply
    1,125,145.25x = 1,552,715.03 × 615,836.69
  4. Step 4: Simplify right side
    1,125,145.25x = 956,218,884,588.45
  5. Step 5: Solve for x
    x = 956,218,884,588.45/1,125,145.25
  6. Step 6: Final answer
    x = 849,862.62

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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.