Home / 1,293,964.32-1,785,670.80-750,415.34

Finding the Fourth Proportional to 1,293,964.32, 1,785,670.80 and 750,415.34

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Solution

The fourth proportional to 1,293,964.32, 1,785,670.80 and 750,415.34 is: 1,035,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,964.32 : 1,785,670.80 = 750,415.34 : x
  2. Step 2: Convert to fraction form
    1,293,964.32/1,785,670.80 = 750,415.34/x
  3. Step 3: Cross multiply
    1,293,964.32x = 1,785,670.80 × 750,415.34
  4. Step 4: Simplify right side
    1,293,964.32x = 1,339,994,760,510.07
  5. Step 5: Solve for x
    x = 1,339,994,760,510.07/1,293,964.32
  6. Step 6: Final answer
    x = 1,035,573.19

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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.