Home / 1,772,638.32-2,658,961.80-707,766.96

Finding the Fourth Proportional to 1,772,638.32, 2,658,961.80 and 707,766.96

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Solution

The fourth proportional to 1,772,638.32, 2,658,961.80 and 707,766.96 is: 1,061,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,638.32 : 2,658,961.80 = 707,766.96 : x
  2. Step 2: Convert to fraction form
    1,772,638.32/2,658,961.80 = 707,766.96/x
  3. Step 3: Cross multiply
    1,772,638.32x = 2,658,961.80 × 707,766.96
  4. Step 4: Simplify right side
    1,772,638.32x = 1,881,925,309,942.13
  5. Step 5: Solve for x
    x = 1,881,925,309,942.13/1,772,638.32
  6. Step 6: Final answer
    x = 1,061,652.16

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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.