Home / 1,131,275.36-1,696,825.04-657,658.40

Finding the Fourth Proportional to 1,131,275.36, 1,696,825.04 and 657,658.40

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Solution

The fourth proportional to 1,131,275.36, 1,696,825.04 and 657,658.40 is: 986,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,275.36 : 1,696,825.04 = 657,658.40 : x
  2. Step 2: Convert to fraction form
    1,131,275.36/1,696,825.04 = 657,658.40/x
  3. Step 3: Cross multiply
    1,131,275.36x = 1,696,825.04 × 657,658.40
  4. Step 4: Simplify right side
    1,131,275.36x = 1,115,931,240,886.34
  5. Step 5: Solve for x
    x = 1,115,931,240,886.34/1,131,275.36
  6. Step 6: Final answer
    x = 986,436.44

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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.