Home / 1,310,531.84-1,807,840.31-901,924.29

Finding the Fourth Proportional to 1,310,531.84, 1,807,840.31 and 901,924.29

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Solution

The fourth proportional to 1,310,531.84, 1,807,840.31 and 901,924.29 is: 1,244,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,531.84 : 1,807,840.31 = 901,924.29 : x
  2. Step 2: Convert to fraction form
    1,310,531.84/1,807,840.31 = 901,924.29/x
  3. Step 3: Cross multiply
    1,310,531.84x = 1,807,840.31 × 901,924.29
  4. Step 4: Simplify right side
    1,310,531.84x = 1,630,535,083,520.51
  5. Step 5: Solve for x
    x = 1,630,535,083,520.51/1,310,531.84
  6. Step 6: Final answer
    x = 1,244,178.16

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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.