Home / 1,555,142.65-2,332,364.04-557,870.65

Finding the Fourth Proportional to 1,555,142.65, 2,332,364.04 and 557,870.65

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Solution

The fourth proportional to 1,555,142.65, 2,332,364.04 and 557,870.65 is: 836,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,142.65 : 2,332,364.04 = 557,870.65 : x
  2. Step 2: Convert to fraction form
    1,555,142.65/2,332,364.04 = 557,870.65/x
  3. Step 3: Cross multiply
    1,555,142.65x = 2,332,364.04 × 557,870.65
  4. Step 4: Simplify right side
    1,555,142.65x = 1,301,157,437,200.52
  5. Step 5: Solve for x
    x = 1,301,157,437,200.52/1,555,142.65
  6. Step 6: Final answer
    x = 836,680.44

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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.