Home / 1,127,542.02-1,691,561.80-328,886.07

Finding the Fourth Proportional to 1,127,542.02, 1,691,561.80 and 328,886.07

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Solution

The fourth proportional to 1,127,542.02, 1,691,561.80 and 328,886.07 is: 493,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,542.02 : 1,691,561.80 = 328,886.07 : x
  2. Step 2: Convert to fraction form
    1,127,542.02/1,691,561.80 = 328,886.07/x
  3. Step 3: Cross multiply
    1,127,542.02x = 1,691,561.80 × 328,886.07
  4. Step 4: Simplify right side
    1,127,542.02x = 556,331,112,564.13
  5. Step 5: Solve for x
    x = 556,331,112,564.13/1,127,542.02
  6. Step 6: Final answer
    x = 493,401.67

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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.