Home / 1,974,149.28-2,960,763.84-554,342.40

Finding the Fourth Proportional to 1,974,149.28, 2,960,763.84 and 554,342.40

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Solution

The fourth proportional to 1,974,149.28, 2,960,763.84 and 554,342.40 is: 831,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,149.28 : 2,960,763.84 = 554,342.40 : x
  2. Step 2: Convert to fraction form
    1,974,149.28/2,960,763.84 = 554,342.40/x
  3. Step 3: Cross multiply
    1,974,149.28x = 2,960,763.84 × 554,342.40
  4. Step 4: Simplify right side
    1,974,149.28x = 1,641,276,932,898.82
  5. Step 5: Solve for x
    x = 1,641,276,932,898.82/1,974,149.28
  6. Step 6: Final answer
    x = 831,384.41

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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.