Home / 1,053,835.19-1,581,048.77-423,191.87

Finding the Fourth Proportional to 1,053,835.19, 1,581,048.77 and 423,191.87

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Solution

The fourth proportional to 1,053,835.19, 1,581,048.77 and 423,191.87 is: 634,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,835.19 : 1,581,048.77 = 423,191.87 : x
  2. Step 2: Convert to fraction form
    1,053,835.19/1,581,048.77 = 423,191.87/x
  3. Step 3: Cross multiply
    1,053,835.19x = 1,581,048.77 × 423,191.87
  4. Step 4: Simplify right side
    1,053,835.19x = 669,086,983,421.54
  5. Step 5: Solve for x
    x = 669,086,983,421.54/1,053,835.19
  6. Step 6: Final answer
    x = 634,906.66

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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.