Home / 1,071,046.23-1,478,031.61-618,327.51

Finding the Fourth Proportional to 1,071,046.23, 1,478,031.61 and 618,327.51

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Solution

The fourth proportional to 1,071,046.23, 1,478,031.61 and 618,327.51 is: 853,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,046.23 : 1,478,031.61 = 618,327.51 : x
  2. Step 2: Convert to fraction form
    1,071,046.23/1,478,031.61 = 618,327.51/x
  3. Step 3: Cross multiply
    1,071,046.23x = 1,478,031.61 × 618,327.51
  4. Step 4: Simplify right side
    1,071,046.23x = 913,907,605,112.59
  5. Step 5: Solve for x
    x = 913,907,605,112.59/1,071,046.23
  6. Step 6: Final answer
    x = 853,284.93

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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.