Home / 1,178,561.24-1,626,414.78-642,017.24

Finding the Fourth Proportional to 1,178,561.24, 1,626,414.78 and 642,017.24

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Solution

The fourth proportional to 1,178,561.24, 1,626,414.78 and 642,017.24 is: 885,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,561.24 : 1,626,414.78 = 642,017.24 : x
  2. Step 2: Convert to fraction form
    1,178,561.24/1,626,414.78 = 642,017.24/x
  3. Step 3: Cross multiply
    1,178,561.24x = 1,626,414.78 × 642,017.24
  4. Step 4: Simplify right side
    1,178,561.24x = 1,044,186,328,150.81
  5. Step 5: Solve for x
    x = 1,044,186,328,150.81/1,178,561.24
  6. Step 6: Final answer
    x = 885,983.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.