Home / 1,012,242.30-1,518,946.65-381,608.70

Finding the Fourth Proportional to 1,012,242.30, 1,518,946.65 and 381,608.70

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Solution

The fourth proportional to 1,012,242.30, 1,518,946.65 and 381,608.70 is: 572,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,242.30 : 1,518,946.65 = 381,608.70 : x
  2. Step 2: Convert to fraction form
    1,012,242.30/1,518,946.65 = 381,608.70/x
  3. Step 3: Cross multiply
    1,012,242.30x = 1,518,946.65 × 381,608.70
  4. Step 4: Simplify right side
    1,012,242.30x = 579,643,256,475.86
  5. Step 5: Solve for x
    x = 579,643,256,475.86/1,012,242.30
  6. Step 6: Final answer
    x = 572,632.91

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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.