Home / 1,130,750.20-1,696,125.30-657,969.40

Finding the Fourth Proportional to 1,130,750.20, 1,696,125.30 and 657,969.40

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Solution

The fourth proportional to 1,130,750.20, 1,696,125.30 and 657,969.40 is: 986,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,750.20 : 1,696,125.30 = 657,969.40 : x
  2. Step 2: Convert to fraction form
    1,130,750.20/1,696,125.30 = 657,969.40/x
  3. Step 3: Cross multiply
    1,130,750.20x = 1,696,125.30 × 657,969.40
  4. Step 4: Simplify right side
    1,130,750.20x = 1,115,998,545,965.82
  5. Step 5: Solve for x
    x = 1,115,998,545,965.82/1,130,750.20
  6. Step 6: Final answer
    x = 986,954.10

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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.