Home / 1,222,762.55-1,832,484.95-690,020.15

Finding the Fourth Proportional to 1,222,762.55, 1,832,484.95 and 690,020.15

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Solution

The fourth proportional to 1,222,762.55, 1,832,484.95 and 690,020.15 is: 1,034,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,762.55 : 1,832,484.95 = 690,020.15 : x
  2. Step 2: Convert to fraction form
    1,222,762.55/1,832,484.95 = 690,020.15/x
  3. Step 3: Cross multiply
    1,222,762.55x = 1,832,484.95 × 690,020.15
  4. Step 4: Simplify right side
    1,222,762.55x = 1,264,451,536,621.64
  5. Step 5: Solve for x
    x = 1,264,451,536,621.64/1,222,762.55
  6. Step 6: Final answer
    x = 1,034,094.10

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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.