Home / 1,320,877.51-1,822,818.12-748,029.31

Finding the Fourth Proportional to 1,320,877.51, 1,822,818.12 and 748,029.31

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Solution

The fourth proportional to 1,320,877.51, 1,822,818.12 and 748,029.31 is: 1,032,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,877.51 : 1,822,818.12 = 748,029.31 : x
  2. Step 2: Convert to fraction form
    1,320,877.51/1,822,818.12 = 748,029.31/x
  3. Step 3: Cross multiply
    1,320,877.51x = 1,822,818.12 × 748,029.31
  4. Step 4: Simplify right side
    1,320,877.51x = 1,363,521,380,559.10
  5. Step 5: Solve for x
    x = 1,363,521,380,559.10/1,320,877.51
  6. Step 6: Final answer
    x = 1,032,284.50

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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.