Home / 1,085,672.85-1,498,073.37-649,985.81

Finding the Fourth Proportional to 1,085,672.85, 1,498,073.37 and 649,985.81

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Solution

The fourth proportional to 1,085,672.85, 1,498,073.37 and 649,985.81 is: 896,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,672.85 : 1,498,073.37 = 649,985.81 : x
  2. Step 2: Convert to fraction form
    1,085,672.85/1,498,073.37 = 649,985.81/x
  3. Step 3: Cross multiply
    1,085,672.85x = 1,498,073.37 × 649,985.81
  4. Step 4: Simplify right side
    1,085,672.85x = 973,726,425,348.51
  5. Step 5: Solve for x
    x = 973,726,425,348.51/1,085,672.85
  6. Step 6: Final answer
    x = 896,887.52

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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.