Home / 1,428,316.19-2,142,486.84-363,359.39

Finding the Fourth Proportional to 1,428,316.19, 2,142,486.84 and 363,359.39

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Solution

The fourth proportional to 1,428,316.19, 2,142,486.84 and 363,359.39 is: 545,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,316.19 : 2,142,486.84 = 363,359.39 : x
  2. Step 2: Convert to fraction form
    1,428,316.19/2,142,486.84 = 363,359.39/x
  3. Step 3: Cross multiply
    1,428,316.19x = 2,142,486.84 × 363,359.39
  4. Step 4: Simplify right side
    1,428,316.19x = 778,492,711,265.43
  5. Step 5: Solve for x
    x = 778,492,711,265.43/1,428,316.19
  6. Step 6: Final answer
    x = 545,042.28

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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.