Home / 1,148,317.80-1,583,036.16-807,729

Finding the Fourth Proportional to 1,148,317.80, 1,583,036.16 and 807,729

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Solution

The fourth proportional to 1,148,317.80, 1,583,036.16 and 807,729 is: 1,113,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,317.80 : 1,583,036.16 = 807,729 : x
  2. Step 2: Convert to fraction form
    1,148,317.80/1,583,036.16 = 807,729/x
  3. Step 3: Cross multiply
    1,148,317.80x = 1,583,036.16 × 807,729
  4. Step 4: Simplify right side
    1,148,317.80x = 1,278,664,214,480.64
  5. Step 5: Solve for x
    x = 1,278,664,214,480.64/1,148,317.80
  6. Step 6: Final answer
    x = 1,113,510.75

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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.