Home / 1,418,929.53-2,128,334.76-660,510.33

Finding the Fourth Proportional to 1,418,929.53, 2,128,334.76 and 660,510.33

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Solution

The fourth proportional to 1,418,929.53, 2,128,334.76 and 660,510.33 is: 990,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,929.53 : 2,128,334.76 = 660,510.33 : x
  2. Step 2: Convert to fraction form
    1,418,929.53/2,128,334.76 = 660,510.33/x
  3. Step 3: Cross multiply
    1,418,929.53x = 2,128,334.76 × 660,510.33
  4. Step 4: Simplify right side
    1,418,929.53x = 1,405,787,094,678.07
  5. Step 5: Solve for x
    x = 1,405,787,094,678.07/1,418,929.53
  6. Step 6: Final answer
    x = 990,737.78

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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.