Home / 1,011,946.80-1,517,920.20-381,002.16

Finding the Fourth Proportional to 1,011,946.80, 1,517,920.20 and 381,002.16

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Solution

The fourth proportional to 1,011,946.80, 1,517,920.20 and 381,002.16 is: 571,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,946.80 : 1,517,920.20 = 381,002.16 : x
  2. Step 2: Convert to fraction form
    1,011,946.80/1,517,920.20 = 381,002.16/x
  3. Step 3: Cross multiply
    1,011,946.80x = 1,517,920.20 × 381,002.16
  4. Step 4: Simplify right side
    1,011,946.80x = 578,330,874,907.63
  5. Step 5: Solve for x
    x = 578,330,874,907.63/1,011,946.80
  6. Step 6: Final answer
    x = 571,503.24

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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.