Home / 1,612,019.60-2,417,597.40-489,787.28

Finding the Fourth Proportional to 1,612,019.60, 2,417,597.40 and 489,787.28

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Solution

The fourth proportional to 1,612,019.60, 2,417,597.40 and 489,787.28 is: 734,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,019.60 : 2,417,597.40 = 489,787.28 : x
  2. Step 2: Convert to fraction form
    1,612,019.60/2,417,597.40 = 489,787.28/x
  3. Step 3: Cross multiply
    1,612,019.60x = 2,417,597.40 × 489,787.28
  4. Step 4: Simplify right side
    1,612,019.60x = 1,184,108,454,681.07
  5. Step 5: Solve for x
    x = 1,184,108,454,681.07/1,612,019.60
  6. Step 6: Final answer
    x = 734,549.66

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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.