Home / 1,077,330.78-1,486,670.92-587,289.69

Finding the Fourth Proportional to 1,077,330.78, 1,486,670.92 and 587,289.69

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Solution

The fourth proportional to 1,077,330.78, 1,486,670.92 and 587,289.69 is: 810,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,330.78 : 1,486,670.92 = 587,289.69 : x
  2. Step 2: Convert to fraction form
    1,077,330.78/1,486,670.92 = 587,289.69/x
  3. Step 3: Cross multiply
    1,077,330.78x = 1,486,670.92 × 587,289.69
  4. Step 4: Simplify right side
    1,077,330.78x = 873,106,506,400.00
  5. Step 5: Solve for x
    x = 873,106,506,400.00/1,077,330.78
  6. Step 6: Final answer
    x = 810,434.94

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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.