Home / 1,428,041.80-2,140,718.46-480,750.76

Finding the Fourth Proportional to 1,428,041.80, 2,140,718.46 and 480,750.76

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Solution

The fourth proportional to 1,428,041.80, 2,140,718.46 and 480,750.76 is: 720,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,041.80 : 2,140,718.46 = 480,750.76 : x
  2. Step 2: Convert to fraction form
    1,428,041.80/2,140,718.46 = 480,750.76/x
  3. Step 3: Cross multiply
    1,428,041.80x = 2,140,718.46 × 480,750.76
  4. Step 4: Simplify right side
    1,428,041.80x = 1,029,152,026,591.03
  5. Step 5: Solve for x
    x = 1,029,152,026,591.03/1,428,041.80
  6. Step 6: Final answer
    x = 720,673.60

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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.