Home / 1,319,296.22-1,820,632.29-715,684.22

Finding the Fourth Proportional to 1,319,296.22, 1,820,632.29 and 715,684.22

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Solution

The fourth proportional to 1,319,296.22, 1,820,632.29 and 715,684.22 is: 987,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,296.22 : 1,820,632.29 = 715,684.22 : x
  2. Step 2: Convert to fraction form
    1,319,296.22/1,820,632.29 = 715,684.22/x
  3. Step 3: Cross multiply
    1,319,296.22x = 1,820,632.29 × 715,684.22
  4. Step 4: Simplify right side
    1,319,296.22x = 1,302,997,802,243.23
  5. Step 5: Solve for x
    x = 1,302,997,802,243.23/1,319,296.22
  6. Step 6: Final answer
    x = 987,646.13

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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.