Home / 1,125,145.50-1,552,715.40-615,836.94

Finding the Fourth Proportional to 1,125,145.50, 1,552,715.40 and 615,836.94

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Solution

The fourth proportional to 1,125,145.50, 1,552,715.40 and 615,836.94 is: 849,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,145.50 : 1,552,715.40 = 615,836.94 : x
  2. Step 2: Convert to fraction form
    1,125,145.50/1,552,715.40 = 615,836.94/x
  3. Step 3: Cross multiply
    1,125,145.50x = 1,552,715.40 × 615,836.94
  4. Step 4: Simplify right side
    1,125,145.50x = 956,219,500,626.88
  5. Step 5: Solve for x
    x = 956,219,500,626.88/1,125,145.50
  6. Step 6: Final answer
    x = 849,862.97

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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.