Home / 1,007,763.49-1,390,713.65-555,054.49

Finding the Fourth Proportional to 1,007,763.49, 1,390,713.65 and 555,054.49

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Solution

The fourth proportional to 1,007,763.49, 1,390,713.65 and 555,054.49 is: 765,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,763.49 : 1,390,713.65 = 555,054.49 : x
  2. Step 2: Convert to fraction form
    1,007,763.49/1,390,713.65 = 555,054.49/x
  3. Step 3: Cross multiply
    1,007,763.49x = 1,390,713.65 × 555,054.49
  4. Step 4: Simplify right side
    1,007,763.49x = 771,921,855,736.79
  5. Step 5: Solve for x
    x = 771,921,855,736.79/1,007,763.49
  6. Step 6: Final answer
    x = 765,975.21

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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.