Home / 1,126,681.94-1,690,299.93-327,970.40

Finding the Fourth Proportional to 1,126,681.94, 1,690,299.93 and 327,970.40

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Solution

The fourth proportional to 1,126,681.94, 1,690,299.93 and 327,970.40 is: 492,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,681.94 : 1,690,299.93 = 327,970.40 : x
  2. Step 2: Convert to fraction form
    1,126,681.94/1,690,299.93 = 327,970.40/x
  3. Step 3: Cross multiply
    1,126,681.94x = 1,690,299.93 × 327,970.40
  4. Step 4: Simplify right side
    1,126,681.94x = 554,368,335,710.57
  5. Step 5: Solve for x
    x = 554,368,335,710.57/1,126,681.94
  6. Step 6: Final answer
    x = 492,036.23

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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.