Home / 1,119,784.29-1,679,677.79-278,336.04

Finding the Fourth Proportional to 1,119,784.29, 1,679,677.79 and 278,336.04

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Solution

The fourth proportional to 1,119,784.29, 1,679,677.79 and 278,336.04 is: 417,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,784.29 : 1,679,677.79 = 278,336.04 : x
  2. Step 2: Convert to fraction form
    1,119,784.29/1,679,677.79 = 278,336.04/x
  3. Step 3: Cross multiply
    1,119,784.29x = 1,679,677.79 × 278,336.04
  4. Step 4: Simplify right side
    1,119,784.29x = 467,514,863,152.87
  5. Step 5: Solve for x
    x = 467,514,863,152.87/1,119,784.29
  6. Step 6: Final answer
    x = 417,504.40

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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.