Home / 1,359,185.40-1,875,465.90-786,278.88

Finding the Fourth Proportional to 1,359,185.40, 1,875,465.90 and 786,278.88

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Solution

The fourth proportional to 1,359,185.40, 1,875,465.90 and 786,278.88 is: 1,084,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,185.40 : 1,875,465.90 = 786,278.88 : x
  2. Step 2: Convert to fraction form
    1,359,185.40/1,875,465.90 = 786,278.88/x
  3. Step 3: Cross multiply
    1,359,185.40x = 1,875,465.90 × 786,278.88
  4. Step 4: Simplify right side
    1,359,185.40x = 1,474,639,227,330.19
  5. Step 5: Solve for x
    x = 1,474,639,227,330.19/1,359,185.40
  6. Step 6: Final answer
    x = 1,084,943.40

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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.