Home / 1,674,498.90-2,310,782.13-910,545.78

Finding the Fourth Proportional to 1,674,498.90, 2,310,782.13 and 910,545.78

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Solution

The fourth proportional to 1,674,498.90, 2,310,782.13 and 910,545.78 is: 1,256,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,498.90 : 2,310,782.13 = 910,545.78 : x
  2. Step 2: Convert to fraction form
    1,674,498.90/2,310,782.13 = 910,545.78/x
  3. Step 3: Cross multiply
    1,674,498.90x = 2,310,782.13 × 910,545.78
  4. Step 4: Simplify right side
    1,674,498.90x = 2,104,072,916,970.91
  5. Step 5: Solve for x
    x = 2,104,072,916,970.91/1,674,498.90
  6. Step 6: Final answer
    x = 1,256,538.85

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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.