Home / 1,226,641.19-1,692,727.13-682,763.01

Finding the Fourth Proportional to 1,226,641.19, 1,692,727.13 and 682,763.01

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Solution

The fourth proportional to 1,226,641.19, 1,692,727.13 and 682,763.01 is: 942,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,641.19 : 1,692,727.13 = 682,763.01 : x
  2. Step 2: Convert to fraction form
    1,226,641.19/1,692,727.13 = 682,763.01/x
  3. Step 3: Cross multiply
    1,226,641.19x = 1,692,727.13 × 682,763.01
  4. Step 4: Simplify right side
    1,226,641.19x = 1,155,731,465,746.64
  5. Step 5: Solve for x
    x = 1,155,731,465,746.64/1,226,641.19
  6. Step 6: Final answer
    x = 942,191.96

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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.