Home / 1,474,297.50-2,035,158.31-991,142.89

Finding the Fourth Proportional to 1,474,297.50, 2,035,158.31 and 991,142.89

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Solution

The fourth proportional to 1,474,297.50, 2,035,158.31 and 991,142.89 is: 1,368,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,297.50 : 2,035,158.31 = 991,142.89 : x
  2. Step 2: Convert to fraction form
    1,474,297.50/2,035,158.31 = 991,142.89/x
  3. Step 3: Cross multiply
    1,474,297.50x = 2,035,158.31 × 991,142.89
  4. Step 4: Simplify right side
    1,474,297.50x = 2,017,132,688,980.92
  5. Step 5: Solve for x
    x = 2,017,132,688,980.92/1,474,297.50
  6. Step 6: Final answer
    x = 1,368,199.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.