Home / 1,402,732.43-1,935,731.93-790,879.77

Finding the Fourth Proportional to 1,402,732.43, 1,935,731.93 and 790,879.77

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Solution

The fourth proportional to 1,402,732.43, 1,935,731.93 and 790,879.77 is: 1,091,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,732.43 : 1,935,731.93 = 790,879.77 : x
  2. Step 2: Convert to fraction form
    1,402,732.43/1,935,731.93 = 790,879.77/x
  3. Step 3: Cross multiply
    1,402,732.43x = 1,935,731.93 × 790,879.77
  4. Step 4: Simplify right side
    1,402,732.43x = 1,530,931,213,901.40
  5. Step 5: Solve for x
    x = 1,530,931,213,901.40/1,402,732.43
  6. Step 6: Final answer
    x = 1,091,392.19

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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.