Home / 1,341,339.60-2,011,582.80-442,613.76

Finding the Fourth Proportional to 1,341,339.60, 2,011,582.80 and 442,613.76

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Solution

The fourth proportional to 1,341,339.60, 2,011,582.80 and 442,613.76 is: 663,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,339.60 : 2,011,582.80 = 442,613.76 : x
  2. Step 2: Convert to fraction form
    1,341,339.60/2,011,582.80 = 442,613.76/x
  3. Step 3: Cross multiply
    1,341,339.60x = 2,011,582.80 × 442,613.76
  4. Step 4: Simplify right side
    1,341,339.60x = 890,354,226,659.33
  5. Step 5: Solve for x
    x = 890,354,226,659.33/1,341,339.60
  6. Step 6: Final answer
    x = 663,779.87

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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.