Home / 1,109,931.48-1,531,216.92-650,812.92

Finding the Fourth Proportional to 1,109,931.48, 1,531,216.92 and 650,812.92

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Solution

The fourth proportional to 1,109,931.48, 1,531,216.92 and 650,812.92 is: 897,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,931.48 : 1,531,216.92 = 650,812.92 : x
  2. Step 2: Convert to fraction form
    1,109,931.48/1,531,216.92 = 650,812.92/x
  3. Step 3: Cross multiply
    1,109,931.48x = 1,531,216.92 × 650,812.92
  4. Step 4: Simplify right side
    1,109,931.48x = 996,535,754,858.61
  5. Step 5: Solve for x
    x = 996,535,754,858.61/1,109,931.48
  6. Step 6: Final answer
    x = 897,835.38

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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.