Home / 1,109,117.30-1,663,670.55-434,722.10

Finding the Fourth Proportional to 1,109,117.30, 1,663,670.55 and 434,722.10

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Solution

The fourth proportional to 1,109,117.30, 1,663,670.55 and 434,722.10 is: 652,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,117.30 : 1,663,670.55 = 434,722.10 : x
  2. Step 2: Convert to fraction form
    1,109,117.30/1,663,670.55 = 434,722.10/x
  3. Step 3: Cross multiply
    1,109,117.30x = 1,663,670.55 × 434,722.10
  4. Step 4: Simplify right side
    1,109,117.30x = 723,234,355,204.16
  5. Step 5: Solve for x
    x = 723,234,355,204.16/1,109,117.30
  6. Step 6: Final answer
    x = 652,081.03

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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.