Home / 1,320,876.51-1,822,816.74-748,028.31

Finding the Fourth Proportional to 1,320,876.51, 1,822,816.74 and 748,028.31

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Solution

The fourth proportional to 1,320,876.51, 1,822,816.74 and 748,028.31 is: 1,032,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,876.51 : 1,822,816.74 = 748,028.31 : x
  2. Step 2: Convert to fraction form
    1,320,876.51/1,822,816.74 = 748,028.31/x
  3. Step 3: Cross multiply
    1,320,876.51x = 1,822,816.74 × 748,028.31
  4. Step 4: Simplify right side
    1,320,876.51x = 1,363,518,525,461.91
  5. Step 5: Solve for x
    x = 1,363,518,525,461.91/1,320,876.51
  6. Step 6: Final answer
    x = 1,032,283.12

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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.