Home / 1,554,825.86-2,145,565.20-857,076.02

Finding the Fourth Proportional to 1,554,825.86, 2,145,565.20 and 857,076.02

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Solution

The fourth proportional to 1,554,825.86, 2,145,565.20 and 857,076.02 is: 1,182,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,825.86 : 2,145,565.20 = 857,076.02 : x
  2. Step 2: Convert to fraction form
    1,554,825.86/2,145,565.20 = 857,076.02/x
  3. Step 3: Cross multiply
    1,554,825.86x = 2,145,565.20 × 857,076.02
  4. Step 4: Simplify right side
    1,554,825.86x = 1,838,912,482,266.50
  5. Step 5: Solve for x
    x = 1,838,912,482,266.50/1,554,825.86
  6. Step 6: Final answer
    x = 1,182,712.82

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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.