Home / 1,221,841.34-1,832,702.40-453,488.56

Finding the Fourth Proportional to 1,221,841.34, 1,832,702.40 and 453,488.56

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Solution

The fourth proportional to 1,221,841.34, 1,832,702.40 and 453,488.56 is: 680,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,841.34 : 1,832,702.40 = 453,488.56 : x
  2. Step 2: Convert to fraction form
    1,221,841.34/1,832,702.40 = 453,488.56/x
  3. Step 3: Cross multiply
    1,221,841.34x = 1,832,702.40 × 453,488.56
  4. Step 4: Simplify right side
    1,221,841.34x = 831,109,569,403.37
  5. Step 5: Solve for x
    x = 831,109,569,403.37/1,221,841.34
  6. Step 6: Final answer
    x = 680,210.71

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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.