Home / 1,291,497.28-1,782,274.39-710,704.35

Finding the Fourth Proportional to 1,291,497.28, 1,782,274.39 and 710,704.35

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Solution

The fourth proportional to 1,291,497.28, 1,782,274.39 and 710,704.35 is: 980,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,497.28 : 1,782,274.39 = 710,704.35 : x
  2. Step 2: Convert to fraction form
    1,291,497.28/1,782,274.39 = 710,704.35/x
  3. Step 3: Cross multiply
    1,291,497.28x = 1,782,274.39 × 710,704.35
  4. Step 4: Simplify right side
    1,291,497.28x = 1,266,670,160,089.84
  5. Step 5: Solve for x
    x = 1,266,670,160,089.84/1,291,497.28
  6. Step 6: Final answer
    x = 980,776.48

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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.