Home / 1,111,328.10-1,667,835.45-732,119.40

Finding the Fourth Proportional to 1,111,328.10, 1,667,835.45 and 732,119.40

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Solution

The fourth proportional to 1,111,328.10, 1,667,835.45 and 732,119.40 is: 1,098,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,328.10 : 1,667,835.45 = 732,119.40 : x
  2. Step 2: Convert to fraction form
    1,111,328.10/1,667,835.45 = 732,119.40/x
  3. Step 3: Cross multiply
    1,111,328.10x = 1,667,835.45 × 732,119.40
  4. Step 4: Simplify right side
    1,111,328.10x = 1,221,054,688,952.73
  5. Step 5: Solve for x
    x = 1,221,054,688,952.73/1,111,328.10
  6. Step 6: Final answer
    x = 1,098,734.65

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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.