Home / 1,245,432.06-1,868,149.80-346,876.38

Finding the Fourth Proportional to 1,245,432.06, 1,868,149.80 and 346,876.38

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Solution

The fourth proportional to 1,245,432.06, 1,868,149.80 and 346,876.38 is: 520,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,432.06 : 1,868,149.80 = 346,876.38 : x
  2. Step 2: Convert to fraction form
    1,245,432.06/1,868,149.80 = 346,876.38/x
  3. Step 3: Cross multiply
    1,245,432.06x = 1,868,149.80 × 346,876.38
  4. Step 4: Simplify right side
    1,245,432.06x = 648,017,039,921.72
  5. Step 5: Solve for x
    x = 648,017,039,921.72/1,245,432.06
  6. Step 6: Final answer
    x = 520,315.05

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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.