Home / 839,220.47-1,258,839.43-671,805.01

Finding the Fourth Proportional to 839,220.47, 1,258,839.43 and 671,805.01

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Solution

The fourth proportional to 839,220.47, 1,258,839.43 and 671,805.01 is: 1,007,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,220.47 : 1,258,839.43 = 671,805.01 : x
  2. Step 2: Convert to fraction form
    839,220.47/1,258,839.43 = 671,805.01/x
  3. Step 3: Cross multiply
    839,220.47x = 1,258,839.43 × 671,805.01
  4. Step 4: Simplify right side
    839,220.47x = 845,694,626,206.32
  5. Step 5: Solve for x
    x = 845,694,626,206.32/839,220.47
  6. Step 6: Final answer
    x = 1,007,714.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.