Home / 1,078,271.60-1,617,180.60-545,291.60

Finding the Fourth Proportional to 1,078,271.60, 1,617,180.60 and 545,291.60

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Solution

The fourth proportional to 1,078,271.60, 1,617,180.60 and 545,291.60 is: 817,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,271.60 : 1,617,180.60 = 545,291.60 : x
  2. Step 2: Convert to fraction form
    1,078,271.60/1,617,180.60 = 545,291.60/x
  3. Step 3: Cross multiply
    1,078,271.60x = 1,617,180.60 × 545,291.60
  4. Step 4: Simplify right side
    1,078,271.60x = 881,834,996,862.96
  5. Step 5: Solve for x
    x = 881,834,996,862.96/1,078,271.60
  6. Step 6: Final answer
    x = 817,822.71

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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.