Home / 1,040,220.30-1,560,330.45-740,066.70

Finding the Fourth Proportional to 1,040,220.30, 1,560,330.45 and 740,066.70

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Solution

The fourth proportional to 1,040,220.30, 1,560,330.45 and 740,066.70 is: 1,110,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,220.30 : 1,560,330.45 = 740,066.70 : x
  2. Step 2: Convert to fraction form
    1,040,220.30/1,560,330.45 = 740,066.70/x
  3. Step 3: Cross multiply
    1,040,220.30x = 1,560,330.45 × 740,066.70
  4. Step 4: Simplify right side
    1,040,220.30x = 1,154,748,607,041.01
  5. Step 5: Solve for x
    x = 1,154,748,607,041.01/1,040,220.30
  6. Step 6: Final answer
    x = 1,110,100.05

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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.