Home / 1,182,590.49-1,772,422.17-840,488.67

Finding the Fourth Proportional to 1,182,590.49, 1,772,422.17 and 840,488.67

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Solution

The fourth proportional to 1,182,590.49, 1,772,422.17 and 840,488.67 is: 1,259,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,590.49 : 1,772,422.17 = 840,488.67 : x
  2. Step 2: Convert to fraction form
    1,182,590.49/1,772,422.17 = 840,488.67/x
  3. Step 3: Cross multiply
    1,182,590.49x = 1,772,422.17 × 840,488.67
  4. Step 4: Simplify right side
    1,182,590.49x = 1,489,700,752,341.81
  5. Step 5: Solve for x
    x = 1,489,700,752,341.81/1,182,590.49
  6. Step 6: Final answer
    x = 1,259,692.82

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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.