Home / 1,545,371.40-2,316,977.10-913,960.20

Finding the Fourth Proportional to 1,545,371.40, 2,316,977.10 and 913,960.20

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Solution

The fourth proportional to 1,545,371.40, 2,316,977.10 and 913,960.20 is: 1,370,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,371.40 : 2,316,977.10 = 913,960.20 : x
  2. Step 2: Convert to fraction form
    1,545,371.40/2,316,977.10 = 913,960.20/x
  3. Step 3: Cross multiply
    1,545,371.40x = 2,316,977.10 × 913,960.20
  4. Step 4: Simplify right side
    1,545,371.40x = 2,117,624,853,711.42
  5. Step 5: Solve for x
    x = 2,117,624,853,711.42/1,545,371.40
  6. Step 6: Final answer
    x = 1,370,301.57

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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.