Home / 1,453,009.31-2,005,248.67-808,430.84

Finding the Fourth Proportional to 1,453,009.31, 2,005,248.67 and 808,430.84

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Solution

The fourth proportional to 1,453,009.31, 2,005,248.67 and 808,430.84 is: 1,115,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,009.31 : 2,005,248.67 = 808,430.84 : x
  2. Step 2: Convert to fraction form
    1,453,009.31/2,005,248.67 = 808,430.84/x
  3. Step 3: Cross multiply
    1,453,009.31x = 2,005,248.67 × 808,430.84
  4. Step 4: Simplify right side
    1,453,009.31x = 1,621,104,854,649.66
  5. Step 5: Solve for x
    x = 1,621,104,854,649.66/1,453,009.31
  6. Step 6: Final answer
    x = 1,115,687.87

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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.