Home / 1,350,527.12-1,863,888.16-777,678.92

Finding the Fourth Proportional to 1,350,527.12, 1,863,888.16 and 777,678.92

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Solution

The fourth proportional to 1,350,527.12, 1,863,888.16 and 777,678.92 is: 1,073,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,527.12 : 1,863,888.16 = 777,678.92 : x
  2. Step 2: Convert to fraction form
    1,350,527.12/1,863,888.16 = 777,678.92/x
  3. Step 3: Cross multiply
    1,350,527.12x = 1,863,888.16 × 777,678.92
  4. Step 4: Simplify right side
    1,350,527.12x = 1,449,506,531,269.59
  5. Step 5: Solve for x
    x = 1,449,506,531,269.59/1,350,527.12
  6. Step 6: Final answer
    x = 1,073,289.47

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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.