Home / 1,071,047.23-1,478,032.99-618,328.51

Finding the Fourth Proportional to 1,071,047.23, 1,478,032.99 and 618,328.51

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Solution

The fourth proportional to 1,071,047.23, 1,478,032.99 and 618,328.51 is: 853,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,047.23 : 1,478,032.99 = 618,328.51 : x
  2. Step 2: Convert to fraction form
    1,071,047.23/1,478,032.99 = 618,328.51/x
  3. Step 3: Cross multiply
    1,071,047.23x = 1,478,032.99 × 618,328.51
  4. Step 4: Simplify right side
    1,071,047.23x = 913,909,936,437.55
  5. Step 5: Solve for x
    x = 913,909,936,437.55/1,071,047.23
  6. Step 6: Final answer
    x = 853,286.31

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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.