Home / 1,440,545.88-2,161,053.31-672,811.32

Finding the Fourth Proportional to 1,440,545.88, 2,161,053.31 and 672,811.32

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Solution

The fourth proportional to 1,440,545.88, 2,161,053.31 and 672,811.32 is: 1,009,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,545.88 : 2,161,053.31 = 672,811.32 : x
  2. Step 2: Convert to fraction form
    1,440,545.88/2,161,053.31 = 672,811.32/x
  3. Step 3: Cross multiply
    1,440,545.88x = 2,161,053.31 × 672,811.32
  4. Step 4: Simplify right side
    1,440,545.88x = 1,453,981,130,091.47
  5. Step 5: Solve for x
    x = 1,453,981,130,091.47/1,440,545.88
  6. Step 6: Final answer
    x = 1,009,326.50

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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.