Home / 1,560,065.20-2,338,931.40-660,770.80

Finding the Fourth Proportional to 1,560,065.20, 2,338,931.40 and 660,770.80

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Solution

The fourth proportional to 1,560,065.20, 2,338,931.40 and 660,770.80 is: 990,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,065.20 : 2,338,931.40 = 660,770.80 : x
  2. Step 2: Convert to fraction form
    1,560,065.20/2,338,931.40 = 660,770.80/x
  3. Step 3: Cross multiply
    1,560,065.20x = 2,338,931.40 × 660,770.80
  4. Step 4: Simplify right side
    1,560,065.20x = 1,545,497,572,323.12
  5. Step 5: Solve for x
    x = 1,545,497,572,323.12/1,560,065.20
  6. Step 6: Final answer
    x = 990,662.17

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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.