Home / 1,426,117.27-2,139,179.55-361,159.45

Finding the Fourth Proportional to 1,426,117.27, 2,139,179.55 and 361,159.45

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Solution

The fourth proportional to 1,426,117.27, 2,139,179.55 and 361,159.45 is: 541,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,117.27 : 2,139,179.55 = 361,159.45 : x
  2. Step 2: Convert to fraction form
    1,426,117.27/2,139,179.55 = 361,159.45/x
  3. Step 3: Cross multiply
    1,426,117.27x = 2,139,179.55 × 361,159.45
  4. Step 4: Simplify right side
    1,426,117.27x = 772,584,909,729.25
  5. Step 5: Solve for x
    x = 772,584,909,729.25/1,426,117.27
  6. Step 6: Final answer
    x = 541,740.10

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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.