Home / 1,486,600.65-2,229,900.98-645,152.40

Finding the Fourth Proportional to 1,486,600.65, 2,229,900.98 and 645,152.40

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Solution

The fourth proportional to 1,486,600.65, 2,229,900.98 and 645,152.40 is: 967,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,600.65 : 2,229,900.98 = 645,152.40 : x
  2. Step 2: Convert to fraction form
    1,486,600.65/2,229,900.98 = 645,152.40/x
  3. Step 3: Cross multiply
    1,486,600.65x = 2,229,900.98 × 645,152.40
  4. Step 4: Simplify right side
    1,486,600.65x = 1,438,625,965,783.59
  5. Step 5: Solve for x
    x = 1,438,625,965,783.59/1,486,600.65
  6. Step 6: Final answer
    x = 967,728.60

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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.