Home / 1,223,014.36-1,687,802.04-679,159.26

Finding the Fourth Proportional to 1,223,014.36, 1,687,802.04 and 679,159.26

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Solution

The fourth proportional to 1,223,014.36, 1,687,802.04 and 679,159.26 is: 937,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,014.36 : 1,687,802.04 = 679,159.26 : x
  2. Step 2: Convert to fraction form
    1,223,014.36/1,687,802.04 = 679,159.26/x
  3. Step 3: Cross multiply
    1,223,014.36x = 1,687,802.04 × 679,159.26
  4. Step 4: Simplify right side
    1,223,014.36x = 1,146,286,384,512.89
  5. Step 5: Solve for x
    x = 1,146,286,384,512.89/1,223,014.36
  6. Step 6: Final answer
    x = 937,263.23

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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.