Home / 1,545,471.64-2,132,719.08-857,032.40

Finding the Fourth Proportional to 1,545,471.64, 2,132,719.08 and 857,032.40

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Solution

The fourth proportional to 1,545,471.64, 2,132,719.08 and 857,032.40 is: 1,182,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,471.64 : 2,132,719.08 = 857,032.40 : x
  2. Step 2: Convert to fraction form
    1,545,471.64/2,132,719.08 = 857,032.40/x
  3. Step 3: Cross multiply
    1,545,471.64x = 2,132,719.08 × 857,032.40
  4. Step 4: Simplify right side
    1,545,471.64x = 1,827,809,351,658.19
  5. Step 5: Solve for x
    x = 1,827,809,351,658.19/1,545,471.64
  6. Step 6: Final answer
    x = 1,182,687.09

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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.