Home / 1,680,451.18-2,319,221.93-955,408.30

Finding the Fourth Proportional to 1,680,451.18, 2,319,221.93 and 955,408.30

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Solution

The fourth proportional to 1,680,451.18, 2,319,221.93 and 955,408.30 is: 1,318,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,451.18 : 2,319,221.93 = 955,408.30 : x
  2. Step 2: Convert to fraction form
    1,680,451.18/2,319,221.93 = 955,408.30/x
  3. Step 3: Cross multiply
    1,680,451.18x = 2,319,221.93 × 955,408.30
  4. Step 4: Simplify right side
    1,680,451.18x = 2,215,803,881,464.02
  5. Step 5: Solve for x
    x = 2,215,803,881,464.02/1,680,451.18
  6. Step 6: Final answer
    x = 1,318,576.77

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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.