Home / 1,554,487.32-2,331,814.56-489,612.72

Finding the Fourth Proportional to 1,554,487.32, 2,331,814.56 and 489,612.72

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Solution

The fourth proportional to 1,554,487.32, 2,331,814.56 and 489,612.72 is: 734,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,487.32 : 2,331,814.56 = 489,612.72 : x
  2. Step 2: Convert to fraction form
    1,554,487.32/2,331,814.56 = 489,612.72/x
  3. Step 3: Cross multiply
    1,554,487.32x = 2,331,814.56 × 489,612.72
  4. Step 4: Simplify right side
    1,554,487.32x = 1,141,686,069,257.20
  5. Step 5: Solve for x
    x = 1,141,686,069,257.20/1,554,487.32
  6. Step 6: Final answer
    x = 734,445.40

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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.