Home / 1,148,170.32-1,722,642.90-508,386.72

Finding the Fourth Proportional to 1,148,170.32, 1,722,642.90 and 508,386.72

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Solution

The fourth proportional to 1,148,170.32, 1,722,642.90 and 508,386.72 is: 762,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,170.32 : 1,722,642.90 = 508,386.72 : x
  2. Step 2: Convert to fraction form
    1,148,170.32/1,722,642.90 = 508,386.72/x
  3. Step 3: Cross multiply
    1,148,170.32x = 1,722,642.90 × 508,386.72
  4. Step 4: Simplify right side
    1,148,170.32x = 875,768,773,662.29
  5. Step 5: Solve for x
    x = 875,768,773,662.29/1,148,170.32
  6. Step 6: Final answer
    x = 762,751.62

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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.