Home / 1,418,823.10-1,958,017.22-774,284.81

Finding the Fourth Proportional to 1,418,823.10, 1,958,017.22 and 774,284.81

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Solution

The fourth proportional to 1,418,823.10, 1,958,017.22 and 774,284.81 is: 1,068,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,823.10 : 1,958,017.22 = 774,284.81 : x
  2. Step 2: Convert to fraction form
    1,418,823.10/1,958,017.22 = 774,284.81/x
  3. Step 3: Cross multiply
    1,418,823.10x = 1,958,017.22 × 774,284.81
  4. Step 4: Simplify right side
    1,418,823.10x = 1,516,062,988,433.12
  5. Step 5: Solve for x
    x = 1,516,062,988,433.12/1,418,823.10
  6. Step 6: Final answer
    x = 1,068,535.60

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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.