Home / 1,478,943.61-2,218,660.57-519,150.26

Finding the Fourth Proportional to 1,478,943.61, 2,218,660.57 and 519,150.26

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Solution

The fourth proportional to 1,478,943.61, 2,218,660.57 and 519,150.26 is: 778,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,943.61 : 2,218,660.57 = 519,150.26 : x
  2. Step 2: Convert to fraction form
    1,478,943.61/2,218,660.57 = 519,150.26/x
  3. Step 3: Cross multiply
    1,478,943.61x = 2,218,660.57 × 519,150.26
  4. Step 4: Simplify right side
    1,478,943.61x = 1,151,818,217,962.84
  5. Step 5: Solve for x
    x = 1,151,818,217,962.84/1,478,943.61
  6. Step 6: Final answer
    x = 778,811.45

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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.