Home / 1,110,802.30-1,666,981.05-480,168.70

Finding the Fourth Proportional to 1,110,802.30, 1,666,981.05 and 480,168.70

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Solution

The fourth proportional to 1,110,802.30, 1,666,981.05 and 480,168.70 is: 720,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,802.30 : 1,666,981.05 = 480,168.70 : x
  2. Step 2: Convert to fraction form
    1,110,802.30/1,666,981.05 = 480,168.70/x
  3. Step 3: Cross multiply
    1,110,802.30x = 1,666,981.05 × 480,168.70
  4. Step 4: Simplify right side
    1,110,802.30x = 800,432,123,703.14
  5. Step 5: Solve for x
    x = 800,432,123,703.14/1,110,802.30
  6. Step 6: Final answer
    x = 720,589.18

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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.