Home / 1,386,584.55-2,079,712.80-375,643.80

Finding the Fourth Proportional to 1,386,584.55, 2,079,712.80 and 375,643.80

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Solution

The fourth proportional to 1,386,584.55, 2,079,712.80 and 375,643.80 is: 563,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,584.55 : 2,079,712.80 = 375,643.80 : x
  2. Step 2: Convert to fraction form
    1,386,584.55/2,079,712.80 = 375,643.80/x
  3. Step 3: Cross multiply
    1,386,584.55x = 2,079,712.80 × 375,643.80
  4. Step 4: Simplify right side
    1,386,584.55x = 781,231,219,100.64
  5. Step 5: Solve for x
    x = 781,231,219,100.64/1,386,584.55
  6. Step 6: Final answer
    x = 563,421.26

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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.