Home / 1,580,779.60-2,371,165.89-1,221,472.96

Finding the Fourth Proportional to 1,580,779.60, 2,371,165.89 and 1,221,472.96

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Solution

The fourth proportional to 1,580,779.60, 2,371,165.89 and 1,221,472.96 is: 1,832,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,779.60 : 2,371,165.89 = 1,221,472.96 : x
  2. Step 2: Convert to fraction form
    1,580,779.60/2,371,165.89 = 1,221,472.96/x
  3. Step 3: Cross multiply
    1,580,779.60x = 2,371,165.89 × 1,221,472.96
  4. Step 4: Simplify right side
    1,580,779.60x = 2,896,315,018,309.33
  5. Step 5: Solve for x
    x = 2,896,315,018,309.33/1,580,779.60
  6. Step 6: Final answer
    x = 1,832,206.73

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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.