Home / 1,120,030.77-1,680,042.96-278,582.52

Finding the Fourth Proportional to 1,120,030.77, 1,680,042.96 and 278,582.52

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Solution

The fourth proportional to 1,120,030.77, 1,680,042.96 and 278,582.52 is: 417,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,030.77 : 1,680,042.96 = 278,582.52 : x
  2. Step 2: Convert to fraction form
    1,120,030.77/1,680,042.96 = 278,582.52/x
  3. Step 3: Cross multiply
    1,120,030.77x = 1,680,042.96 × 278,582.52
  4. Step 4: Simplify right side
    1,120,030.77x = 468,030,601,505.06
  5. Step 5: Solve for x
    x = 468,030,601,505.06/1,120,030.77
  6. Step 6: Final answer
    x = 417,872.99

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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.