Home / 1,368,364.73-1,888,030.15-816,973.32

Finding the Fourth Proportional to 1,368,364.73, 1,888,030.15 and 816,973.32

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Solution

The fourth proportional to 1,368,364.73, 1,888,030.15 and 816,973.32 is: 1,127,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,364.73 : 1,888,030.15 = 816,973.32 : x
  2. Step 2: Convert to fraction form
    1,368,364.73/1,888,030.15 = 816,973.32/x
  3. Step 3: Cross multiply
    1,368,364.73x = 1,888,030.15 × 816,973.32
  4. Step 4: Simplify right side
    1,368,364.73x = 1,542,470,264,943.28
  5. Step 5: Solve for x
    x = 1,542,470,264,943.28/1,368,364.73
  6. Step 6: Final answer
    x = 1,127,236.21

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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.