Home / 1,020,728.20-1,531,092.30-784,532.20

Finding the Fourth Proportional to 1,020,728.20, 1,531,092.30 and 784,532.20

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Solution

The fourth proportional to 1,020,728.20, 1,531,092.30 and 784,532.20 is: 1,176,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,728.20 : 1,531,092.30 = 784,532.20 : x
  2. Step 2: Convert to fraction form
    1,020,728.20/1,531,092.30 = 784,532.20/x
  3. Step 3: Cross multiply
    1,020,728.20x = 1,531,092.30 × 784,532.20
  4. Step 4: Simplify right side
    1,020,728.20x = 1,201,191,210,522.06
  5. Step 5: Solve for x
    x = 1,201,191,210,522.06/1,020,728.20
  6. Step 6: Final answer
    x = 1,176,798.30

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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.