Home / 1,680,685.12-2,521,026.40-498,733.12

Finding the Fourth Proportional to 1,680,685.12, 2,521,026.40 and 498,733.12

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Solution

The fourth proportional to 1,680,685.12, 2,521,026.40 and 498,733.12 is: 748,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,685.12 : 2,521,026.40 = 498,733.12 : x
  2. Step 2: Convert to fraction form
    1,680,685.12/2,521,026.40 = 498,733.12/x
  3. Step 3: Cross multiply
    1,680,685.12x = 2,521,026.40 × 498,733.12
  4. Step 4: Simplify right side
    1,680,685.12x = 1,257,319,362,074.37
  5. Step 5: Solve for x
    x = 1,257,319,362,074.37/1,680,685.12
  6. Step 6: Final answer
    x = 748,099.30

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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.