Home / 1,218,735.86-1,827,019.68-578,644.70

Finding the Fourth Proportional to 1,218,735.86, 1,827,019.68 and 578,644.70

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Solution

The fourth proportional to 1,218,735.86, 1,827,019.68 and 578,644.70 is: 867,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,735.86 : 1,827,019.68 = 578,644.70 : x
  2. Step 2: Convert to fraction form
    1,218,735.86/1,827,019.68 = 578,644.70/x
  3. Step 3: Cross multiply
    1,218,735.86x = 1,827,019.68 × 578,644.70
  4. Step 4: Simplify right side
    1,218,735.86x = 1,057,195,254,627.70
  5. Step 5: Solve for x
    x = 1,057,195,254,627.70/1,218,735.86
  6. Step 6: Final answer
    x = 867,452.32

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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.