Home / 1,077,122.52-1,615,678.85-278,336.16

Finding the Fourth Proportional to 1,077,122.52, 1,615,678.85 and 278,336.16

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Solution

The fourth proportional to 1,077,122.52, 1,615,678.85 and 278,336.16 is: 417,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,122.52 : 1,615,678.85 = 278,336.16 : x
  2. Step 2: Convert to fraction form
    1,077,122.52/1,615,678.85 = 278,336.16/x
  3. Step 3: Cross multiply
    1,077,122.52x = 1,615,678.85 × 278,336.16
  4. Step 4: Simplify right side
    1,077,122.52x = 449,701,847,598.06
  5. Step 5: Solve for x
    x = 449,701,847,598.06/1,077,122.52
  6. Step 6: Final answer
    x = 417,502.97

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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.