Home / 1,310,531.34-1,807,839.61-901,923.79

Finding the Fourth Proportional to 1,310,531.34, 1,807,839.61 and 901,923.79

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Solution

The fourth proportional to 1,310,531.34, 1,807,839.61 and 901,923.79 is: 1,244,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,531.34 : 1,807,839.61 = 901,923.79 : x
  2. Step 2: Convert to fraction form
    1,310,531.34/1,807,839.61 = 901,923.79/x
  3. Step 3: Cross multiply
    1,310,531.34x = 1,807,839.61 × 901,923.79
  4. Step 4: Simplify right side
    1,310,531.34x = 1,630,533,552,763.32
  5. Step 5: Solve for x
    x = 1,630,533,552,763.32/1,310,531.34
  6. Step 6: Final answer
    x = 1,244,177.46

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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.