Home / 1,426,402.88-1,968,652.80-910,379.52

Finding the Fourth Proportional to 1,426,402.88, 1,968,652.80 and 910,379.52

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Solution

The fourth proportional to 1,426,402.88, 1,968,652.80 and 910,379.52 is: 1,256,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,402.88 : 1,968,652.80 = 910,379.52 : x
  2. Step 2: Convert to fraction form
    1,426,402.88/1,968,652.80 = 910,379.52/x
  3. Step 3: Cross multiply
    1,426,402.88x = 1,968,652.80 × 910,379.52
  4. Step 4: Simplify right side
    1,426,402.88x = 1,792,221,191,110.66
  5. Step 5: Solve for x
    x = 1,792,221,191,110.66/1,426,402.88
  6. Step 6: Final answer
    x = 1,256,462.12

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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.