Home / 1,015,349.12-1,400,048.64-693,228.32

Finding the Fourth Proportional to 1,015,349.12, 1,400,048.64 and 693,228.32

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Solution

The fourth proportional to 1,015,349.12, 1,400,048.64 and 693,228.32 is: 955,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,349.12 : 1,400,048.64 = 693,228.32 : x
  2. Step 2: Convert to fraction form
    1,015,349.12/1,400,048.64 = 693,228.32/x
  3. Step 3: Cross multiply
    1,015,349.12x = 1,400,048.64 × 693,228.32
  4. Step 4: Simplify right side
    1,015,349.12x = 970,553,366,625.49
  5. Step 5: Solve for x
    x = 970,553,366,625.49/1,015,349.12
  6. Step 6: Final answer
    x = 955,881.43

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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.