Home / 1,272,010.80-1,755,374.58-699,088.08

Finding the Fourth Proportional to 1,272,010.80, 1,755,374.58 and 699,088.08

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Solution

The fourth proportional to 1,272,010.80, 1,755,374.58 and 699,088.08 is: 964,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,010.80 : 1,755,374.58 = 699,088.08 : x
  2. Step 2: Convert to fraction form
    1,272,010.80/1,755,374.58 = 699,088.08/x
  3. Step 3: Cross multiply
    1,272,010.80x = 1,755,374.58 × 699,088.08
  4. Step 4: Simplify right side
    1,272,010.80x = 1,227,161,444,813.01
  5. Step 5: Solve for x
    x = 1,227,161,444,813.01/1,272,010.80
  6. Step 6: Final answer
    x = 964,741.37

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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.