Home / 1,207,421.70-1,811,132.55-365,864.10

Finding the Fourth Proportional to 1,207,421.70, 1,811,132.55 and 365,864.10

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Solution

The fourth proportional to 1,207,421.70, 1,811,132.55 and 365,864.10 is: 548,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,421.70 : 1,811,132.55 = 365,864.10 : x
  2. Step 2: Convert to fraction form
    1,207,421.70/1,811,132.55 = 365,864.10/x
  3. Step 3: Cross multiply
    1,207,421.70x = 1,811,132.55 × 365,864.10
  4. Step 4: Simplify right side
    1,207,421.70x = 662,628,380,386.46
  5. Step 5: Solve for x
    x = 662,628,380,386.46/1,207,421.70
  6. Step 6: Final answer
    x = 548,796.15

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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.