Home / 1,456,398.48-2,009,788.07-811,804.83

Finding the Fourth Proportional to 1,456,398.48, 2,009,788.07 and 811,804.83

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Solution

The fourth proportional to 1,456,398.48, 2,009,788.07 and 811,804.83 is: 1,120,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,398.48 : 2,009,788.07 = 811,804.83 : x
  2. Step 2: Convert to fraction form
    1,456,398.48/2,009,788.07 = 811,804.83/x
  3. Step 3: Cross multiply
    1,456,398.48x = 2,009,788.07 × 811,804.83
  4. Step 4: Simplify right side
    1,456,398.48x = 1,631,555,669,061.23
  5. Step 5: Solve for x
    x = 1,631,555,669,061.23/1,456,398.48
  6. Step 6: Final answer
    x = 1,120,267.35

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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.