Home / 1,131,814.40-1,562,125.76-648,703.32

Finding the Fourth Proportional to 1,131,814.40, 1,562,125.76 and 648,703.32

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Solution

The fourth proportional to 1,131,814.40, 1,562,125.76 and 648,703.32 is: 895,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,814.40 : 1,562,125.76 = 648,703.32 : x
  2. Step 2: Convert to fraction form
    1,131,814.40/1,562,125.76 = 648,703.32/x
  3. Step 3: Cross multiply
    1,131,814.40x = 1,562,125.76 × 648,703.32
  4. Step 4: Simplify right side
    1,131,814.40x = 1,013,356,166,769.52
  5. Step 5: Solve for x
    x = 1,013,356,166,769.52/1,131,814.40
  6. Step 6: Final answer
    x = 895,337.76

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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.