Home / 1,451,187.70-1,998,065.28-1,316,667.76

Finding the Fourth Proportional to 1,451,187.70, 1,998,065.28 and 1,316,667.76

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Solution

The fourth proportional to 1,451,187.70, 1,998,065.28 and 1,316,667.76 is: 1,812,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,187.70 : 1,998,065.28 = 1,316,667.76 : x
  2. Step 2: Convert to fraction form
    1,451,187.70/1,998,065.28 = 1,316,667.76/x
  3. Step 3: Cross multiply
    1,451,187.70x = 1,998,065.28 × 1,316,667.76
  4. Step 4: Simplify right side
    1,451,187.70x = 2,630,788,136,551.37
  5. Step 5: Solve for x
    x = 2,630,788,136,551.37/1,451,187.70
  6. Step 6: Final answer
    x = 1,812,851.73

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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.