Home / 1,007,215.49-1,510,659.20-408,152.45

Finding the Fourth Proportional to 1,007,215.49, 1,510,659.20 and 408,152.45

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Solution

The fourth proportional to 1,007,215.49, 1,510,659.20 and 408,152.45 is: 612,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,215.49 : 1,510,659.20 = 408,152.45 : x
  2. Step 2: Convert to fraction form
    1,007,215.49/1,510,659.20 = 408,152.45/x
  3. Step 3: Cross multiply
    1,007,215.49x = 1,510,659.20 × 408,152.45
  4. Step 4: Simplify right side
    1,007,215.49x = 616,579,244,000.98
  5. Step 5: Solve for x
    x = 616,579,244,000.98/1,007,215.49
  6. Step 6: Final answer
    x = 612,162.20

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Double scale
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1.5x scale

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.