Home / 1,431,343.94-1,975,228.04-786,750.34

Finding the Fourth Proportional to 1,431,343.94, 1,975,228.04 and 786,750.34

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Solution

The fourth proportional to 1,431,343.94, 1,975,228.04 and 786,750.34 is: 1,085,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,343.94 : 1,975,228.04 = 786,750.34 : x
  2. Step 2: Convert to fraction form
    1,431,343.94/1,975,228.04 = 786,750.34/x
  3. Step 3: Cross multiply
    1,431,343.94x = 1,975,228.04 × 786,750.34
  4. Step 4: Simplify right side
    1,431,343.94x = 1,554,011,332,047.53
  5. Step 5: Solve for x
    x = 1,554,011,332,047.53/1,431,343.94
  6. Step 6: Final answer
    x = 1,085,700.85

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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.