Home / 1,678,009.52-2,315,657.32-914,068.64

Finding the Fourth Proportional to 1,678,009.52, 2,315,657.32 and 914,068.64

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Solution

The fourth proportional to 1,678,009.52, 2,315,657.32 and 914,068.64 is: 1,261,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,009.52 : 2,315,657.32 = 914,068.64 : x
  2. Step 2: Convert to fraction form
    1,678,009.52/2,315,657.32 = 914,068.64/x
  3. Step 3: Cross multiply
    1,678,009.52x = 2,315,657.32 × 914,068.64
  4. Step 4: Simplify right side
    1,678,009.52x = 2,116,669,737,198.44
  5. Step 5: Solve for x
    x = 2,116,669,737,198.44/1,678,009.52
  6. Step 6: Final answer
    x = 1,261,417.00

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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.