Home / 1,549,316.98-2,137,921.05-860,945.05

Finding the Fourth Proportional to 1,549,316.98, 2,137,921.05 and 860,945.05

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Solution

The fourth proportional to 1,549,316.98, 2,137,921.05 and 860,945.05 is: 1,188,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,316.98 : 2,137,921.05 = 860,945.05 : x
  2. Step 2: Convert to fraction form
    1,549,316.98/2,137,921.05 = 860,945.05/x
  3. Step 3: Cross multiply
    1,549,316.98x = 2,137,921.05 × 860,945.05
  4. Step 4: Simplify right side
    1,549,316.98x = 1,840,632,545,288.30
  5. Step 5: Solve for x
    x = 1,840,632,545,288.30/1,549,316.98
  6. Step 6: Final answer
    x = 1,188,028.38

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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.