Home / 1,152,864.70-1,579,417.28-1,109,752.55

Finding the Fourth Proportional to 1,152,864.70, 1,579,417.28 and 1,109,752.55

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Solution

The fourth proportional to 1,152,864.70, 1,579,417.28 and 1,109,752.55 is: 1,520,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,864.70 : 1,579,417.28 = 1,109,752.55 : x
  2. Step 2: Convert to fraction form
    1,152,864.70/1,579,417.28 = 1,109,752.55/x
  3. Step 3: Cross multiply
    1,152,864.70x = 1,579,417.28 × 1,109,752.55
  4. Step 4: Simplify right side
    1,152,864.70x = 1,752,762,350,632.60
  5. Step 5: Solve for x
    x = 1,752,762,350,632.60/1,152,864.70
  6. Step 6: Final answer
    x = 1,520,353.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.