Home / 1,142,962.47-1,577,306.34-626,763.33

Finding the Fourth Proportional to 1,142,962.47, 1,577,306.34 and 626,763.33

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Solution

The fourth proportional to 1,142,962.47, 1,577,306.34 and 626,763.33 is: 864,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,962.47 : 1,577,306.34 = 626,763.33 : x
  2. Step 2: Convert to fraction form
    1,142,962.47/1,577,306.34 = 626,763.33/x
  3. Step 3: Cross multiply
    1,142,962.47x = 1,577,306.34 × 626,763.33
  4. Step 4: Simplify right side
    1,142,962.47x = 988,597,774,088.51
  5. Step 5: Solve for x
    x = 988,597,774,088.51/1,142,962.47
  6. Step 6: Final answer
    x = 864,943.34

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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.