Home / 1,110,460.17-1,666,353.86-1,020,115.20

Finding the Fourth Proportional to 1,110,460.17, 1,666,353.86 and 1,020,115.20

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Solution

The fourth proportional to 1,110,460.17, 1,666,353.86 and 1,020,115.20 is: 1,530,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,460.17 : 1,666,353.86 = 1,020,115.20 : x
  2. Step 2: Convert to fraction form
    1,110,460.17/1,666,353.86 = 1,020,115.20/x
  3. Step 3: Cross multiply
    1,110,460.17x = 1,666,353.86 × 1,020,115.20
  4. Step 4: Simplify right side
    1,110,460.17x = 1,699,872,901,164.67
  5. Step 5: Solve for x
    x = 1,699,872,901,164.67/1,110,460.17
  6. Step 6: Final answer
    x = 1,530,782.42

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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.