Home / 877,249.12-1,312,879.70-735,254.72

Finding the Fourth Proportional to 877,249.12, 1,312,879.70 and 735,254.72

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Solution

The fourth proportional to 877,249.12, 1,312,879.70 and 735,254.72 is: 1,100,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,249.12 : 1,312,879.70 = 735,254.72 : x
  2. Step 2: Convert to fraction form
    877,249.12/1,312,879.70 = 735,254.72/x
  3. Step 3: Cross multiply
    877,249.12x = 1,312,879.70 × 735,254.72
  4. Step 4: Simplify right side
    877,249.12x = 965,301,001,337.52
  5. Step 5: Solve for x
    x = 965,301,001,337.52/877,249.12
  6. Step 6: Final answer
    x = 1,100,372.72

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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.