Home / 1,543,649.30-2,129,556.93-931,460.90

Finding the Fourth Proportional to 1,543,649.30, 2,129,556.93 and 931,460.90

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Solution

The fourth proportional to 1,543,649.30, 2,129,556.93 and 931,460.90 is: 1,285,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,649.30 : 2,129,556.93 = 931,460.90 : x
  2. Step 2: Convert to fraction form
    1,543,649.30/2,129,556.93 = 931,460.90/x
  3. Step 3: Cross multiply
    1,543,649.30x = 2,129,556.93 × 931,460.90
  4. Step 4: Simplify right side
    1,543,649.30x = 1,983,599,014,619.04
  5. Step 5: Solve for x
    x = 1,983,599,014,619.04/1,543,649.30
  6. Step 6: Final answer
    x = 1,285,006.26

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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.