Home / 992,881.17-1,370,132.75-551,328.37

Finding the Fourth Proportional to 992,881.17, 1,370,132.75 and 551,328.37

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Solution

The fourth proportional to 992,881.17, 1,370,132.75 and 551,328.37 is: 760,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,881.17 : 1,370,132.75 = 551,328.37 : x
  2. Step 2: Convert to fraction form
    992,881.17/1,370,132.75 = 551,328.37/x
  3. Step 3: Cross multiply
    992,881.17x = 1,370,132.75 × 551,328.37
  4. Step 4: Simplify right side
    992,881.17x = 755,393,055,741.12
  5. Step 5: Solve for x
    x = 755,393,055,741.12/992,881.17
  6. Step 6: Final answer
    x = 760,809.13

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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.