Home / 1,412,596.80-2,120,061.60-655,603.20

Finding the Fourth Proportional to 1,412,596.80, 2,120,061.60 and 655,603.20

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Solution

The fourth proportional to 1,412,596.80, 2,120,061.60 and 655,603.20 is: 983,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,596.80 : 2,120,061.60 = 655,603.20 : x
  2. Step 2: Convert to fraction form
    1,412,596.80/2,120,061.60 = 655,603.20/x
  3. Step 3: Cross multiply
    1,412,596.80x = 2,120,061.60 × 655,603.20
  4. Step 4: Simplify right side
    1,412,596.80x = 1,389,919,169,157.12
  5. Step 5: Solve for x
    x = 1,389,919,169,157.12/1,412,596.80
  6. Step 6: Final answer
    x = 983,946.14

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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.