Home / 1,284,787.32-1,772,983.52-711,816

Finding the Fourth Proportional to 1,284,787.32, 1,772,983.52 and 711,816

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Solution

The fourth proportional to 1,284,787.32, 1,772,983.52 and 711,816 is: 982,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,787.32 : 1,772,983.52 = 711,816 : x
  2. Step 2: Convert to fraction form
    1,284,787.32/1,772,983.52 = 711,816/x
  3. Step 3: Cross multiply
    1,284,787.32x = 1,772,983.52 × 711,816
  4. Step 4: Simplify right side
    1,284,787.32x = 1,262,038,037,272.32
  5. Step 5: Solve for x
    x = 1,262,038,037,272.32/1,284,787.32
  6. Step 6: Final answer
    x = 982,293.35

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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.