Home / 1,090,007.40-1,635,302.70-775,079.40

Finding the Fourth Proportional to 1,090,007.40, 1,635,302.70 and 775,079.40

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Solution

The fourth proportional to 1,090,007.40, 1,635,302.70 and 775,079.40 is: 1,162,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,007.40 : 1,635,302.70 = 775,079.40 : x
  2. Step 2: Convert to fraction form
    1,090,007.40/1,635,302.70 = 775,079.40/x
  3. Step 3: Cross multiply
    1,090,007.40x = 1,635,302.70 × 775,079.40
  4. Step 4: Simplify right side
    1,090,007.40x = 1,267,489,435,534.38
  5. Step 5: Solve for x
    x = 1,267,489,435,534.38/1,090,007.40
  6. Step 6: Final answer
    x = 1,162,826.45

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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.