Home / 1,615,426.79-2,228,897.45-917,552.36

Finding the Fourth Proportional to 1,615,426.79, 2,228,897.45 and 917,552.36

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Solution

The fourth proportional to 1,615,426.79, 2,228,897.45 and 917,552.36 is: 1,265,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,426.79 : 2,228,897.45 = 917,552.36 : x
  2. Step 2: Convert to fraction form
    1,615,426.79/2,228,897.45 = 917,552.36/x
  3. Step 3: Cross multiply
    1,615,426.79x = 2,228,897.45 × 917,552.36
  4. Step 4: Simplify right side
    1,615,426.79x = 2,045,130,115,445.48
  5. Step 5: Solve for x
    x = 2,045,130,115,445.48/1,615,426.79
  6. Step 6: Final answer
    x = 1,265,999.88

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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.