Home / 1,302,132.80-1,950,837.09-961,420.07

Finding the Fourth Proportional to 1,302,132.80, 1,950,837.09 and 961,420.07

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Solution

The fourth proportional to 1,302,132.80, 1,950,837.09 and 961,420.07 is: 1,440,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,132.80 : 1,950,837.09 = 961,420.07 : x
  2. Step 2: Convert to fraction form
    1,302,132.80/1,950,837.09 = 961,420.07/x
  3. Step 3: Cross multiply
    1,302,132.80x = 1,950,837.09 × 961,420.07
  4. Step 4: Simplify right side
    1,302,132.80x = 1,875,573,921,872.21
  5. Step 5: Solve for x
    x = 1,875,573,921,872.21/1,302,132.80
  6. Step 6: Final answer
    x = 1,440,386.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.