Home / 1,105,328.60-1,656,243.30-926,869.40

Finding the Fourth Proportional to 1,105,328.60, 1,656,243.30 and 926,869.40

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Solution

The fourth proportional to 1,105,328.60, 1,656,243.30 and 926,869.40 is: 1,388,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,328.60 : 1,656,243.30 = 926,869.40 : x
  2. Step 2: Convert to fraction form
    1,105,328.60/1,656,243.30 = 926,869.40/x
  3. Step 3: Cross multiply
    1,105,328.60x = 1,656,243.30 × 926,869.40
  4. Step 4: Simplify right side
    1,105,328.60x = 1,535,121,233,725.02
  5. Step 5: Solve for x
    x = 1,535,121,233,725.02/1,105,328.60
  6. Step 6: Final answer
    x = 1,388,836.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.