Home / 1,240,904.42-1,861,463.85-342,346.16

Finding the Fourth Proportional to 1,240,904.42, 1,861,463.85 and 342,346.16

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Solution

The fourth proportional to 1,240,904.42, 1,861,463.85 and 342,346.16 is: 513,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,904.42 : 1,861,463.85 = 342,346.16 : x
  2. Step 2: Convert to fraction form
    1,240,904.42/1,861,463.85 = 342,346.16/x
  3. Step 3: Cross multiply
    1,240,904.42x = 1,861,463.85 × 342,346.16
  4. Step 4: Simplify right side
    1,240,904.42x = 637,265,001,026.32
  5. Step 5: Solve for x
    x = 637,265,001,026.32/1,240,904.42
  6. Step 6: Final answer
    x = 513,548.82

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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.