Home / 1,268,730.66-1,750,686.98-724,901.66

Finding the Fourth Proportional to 1,268,730.66, 1,750,686.98 and 724,901.66

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Solution

The fourth proportional to 1,268,730.66, 1,750,686.98 and 724,901.66 is: 1,000,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,730.66 : 1,750,686.98 = 724,901.66 : x
  2. Step 2: Convert to fraction form
    1,268,730.66/1,750,686.98 = 724,901.66/x
  3. Step 3: Cross multiply
    1,268,730.66x = 1,750,686.98 × 724,901.66
  4. Step 4: Simplify right side
    1,268,730.66x = 1,269,075,897,942.39
  5. Step 5: Solve for x
    x = 1,269,075,897,942.39/1,268,730.66
  6. Step 6: Final answer
    x = 1,000,272.11

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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.