Home / 1,190,470.98-1,785,773.87-380,926.56

Finding the Fourth Proportional to 1,190,470.98, 1,785,773.87 and 380,926.56

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Solution

The fourth proportional to 1,190,470.98, 1,785,773.87 and 380,926.56 is: 571,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,470.98 : 1,785,773.87 = 380,926.56 : x
  2. Step 2: Convert to fraction form
    1,190,470.98/1,785,773.87 = 380,926.56/x
  3. Step 3: Cross multiply
    1,190,470.98x = 1,785,773.87 × 380,926.56
  4. Step 4: Simplify right side
    1,190,470.98x = 680,248,695,332.35
  5. Step 5: Solve for x
    x = 680,248,695,332.35/1,190,470.98
  6. Step 6: Final answer
    x = 571,411.41

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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.