Home / 1,248,276.42-1,872,521.36-438,590.46

Finding the Fourth Proportional to 1,248,276.42, 1,872,521.36 and 438,590.46

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Solution

The fourth proportional to 1,248,276.42, 1,872,521.36 and 438,590.46 is: 657,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,276.42 : 1,872,521.36 = 438,590.46 : x
  2. Step 2: Convert to fraction form
    1,248,276.42/1,872,521.36 = 438,590.46/x
  3. Step 3: Cross multiply
    1,248,276.42x = 1,872,521.36 × 438,590.46
  4. Step 4: Simplify right side
    1,248,276.42x = 821,270,002,449.27
  5. Step 5: Solve for x
    x = 821,270,002,449.27/1,248,276.42
  6. Step 6: Final answer
    x = 657,923.19

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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.