Home / 1,020,956.78-1,409,304.76-767,041.22

Finding the Fourth Proportional to 1,020,956.78, 1,409,304.76 and 767,041.22

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Solution

The fourth proportional to 1,020,956.78, 1,409,304.76 and 767,041.22 is: 1,058,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,956.78 : 1,409,304.76 = 767,041.22 : x
  2. Step 2: Convert to fraction form
    1,020,956.78/1,409,304.76 = 767,041.22/x
  3. Step 3: Cross multiply
    1,020,956.78x = 1,409,304.76 × 767,041.22
  4. Step 4: Simplify right side
    1,020,956.78x = 1,080,994,842,462.21
  5. Step 5: Solve for x
    x = 1,080,994,842,462.21/1,020,956.78
  6. Step 6: Final answer
    x = 1,058,805.68

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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.