Home / 1,008,293.36-1,391,392.34-626,312.48

Finding the Fourth Proportional to 1,008,293.36, 1,391,392.34 and 626,312.48

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Solution

The fourth proportional to 1,008,293.36, 1,391,392.34 and 626,312.48 is: 864,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,293.36 : 1,391,392.34 = 626,312.48 : x
  2. Step 2: Convert to fraction form
    1,008,293.36/1,391,392.34 = 626,312.48/x
  3. Step 3: Cross multiply
    1,008,293.36x = 1,391,392.34 × 626,312.48
  4. Step 4: Simplify right side
    1,008,293.36x = 871,446,387,118.40
  5. Step 5: Solve for x
    x = 871,446,387,118.40/1,008,293.36
  6. Step 6: Final answer
    x = 864,278.61

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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.