Home / 1,257,931.04-1,735,975.95-685,002.38

Finding the Fourth Proportional to 1,257,931.04, 1,735,975.95 and 685,002.38

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Solution

The fourth proportional to 1,257,931.04, 1,735,975.95 and 685,002.38 is: 945,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,931.04 : 1,735,975.95 = 685,002.38 : x
  2. Step 2: Convert to fraction form
    1,257,931.04/1,735,975.95 = 685,002.38/x
  3. Step 3: Cross multiply
    1,257,931.04x = 1,735,975.95 × 685,002.38
  4. Step 4: Simplify right side
    1,257,931.04x = 1,189,147,657,372.76
  5. Step 5: Solve for x
    x = 1,189,147,657,372.76/1,257,931.04
  6. Step 6: Final answer
    x = 945,320.23

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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.