Home / 1,252,769.04-1,728,825.93-679,809.33

Finding the Fourth Proportional to 1,252,769.04, 1,728,825.93 and 679,809.33

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Solution

The fourth proportional to 1,252,769.04, 1,728,825.93 and 679,809.33 is: 938,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,769.04 : 1,728,825.93 = 679,809.33 : x
  2. Step 2: Convert to fraction form
    1,252,769.04/1,728,825.93 = 679,809.33/x
  3. Step 3: Cross multiply
    1,252,769.04x = 1,728,825.93 × 679,809.33
  4. Step 4: Simplify right side
    1,252,769.04x = 1,175,271,997,159.93
  5. Step 5: Solve for x
    x = 1,175,271,997,159.93/1,252,769.04
  6. Step 6: Final answer
    x = 938,139.40

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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.