Home / 1,178,545.24-1,626,392.70-642,001.24

Finding the Fourth Proportional to 1,178,545.24, 1,626,392.70 and 642,001.24

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Solution

The fourth proportional to 1,178,545.24, 1,626,392.70 and 642,001.24 is: 885,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,545.24 : 1,626,392.70 = 642,001.24 : x
  2. Step 2: Convert to fraction form
    1,178,545.24/1,626,392.70 = 642,001.24/x
  3. Step 3: Cross multiply
    1,178,545.24x = 1,626,392.70 × 642,001.24
  4. Step 4: Simplify right side
    1,178,545.24x = 1,044,146,130,126.95
  5. Step 5: Solve for x
    x = 1,044,146,130,126.95/1,178,545.24
  6. Step 6: Final answer
    x = 885,961.86

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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.