Home / 1,343,490.50-1,853,932.86-739,878.50

Finding the Fourth Proportional to 1,343,490.50, 1,853,932.86 and 739,878.50

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Solution

The fourth proportional to 1,343,490.50, 1,853,932.86 and 739,878.50 is: 1,020,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,490.50 : 1,853,932.86 = 739,878.50 : x
  2. Step 2: Convert to fraction form
    1,343,490.50/1,853,932.86 = 739,878.50/x
  3. Step 3: Cross multiply
    1,343,490.50x = 1,853,932.86 × 739,878.50
  4. Step 4: Simplify right side
    1,343,490.50x = 1,371,685,063,557.51
  5. Step 5: Solve for x
    x = 1,371,685,063,557.51/1,343,490.50
  6. Step 6: Final answer
    x = 1,020,986.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.