Home / 1,110,509.39-1,666,427.48-1,020,164.42

Finding the Fourth Proportional to 1,110,509.39, 1,666,427.48 and 1,020,164.42

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Solution

The fourth proportional to 1,110,509.39, 1,666,427.48 and 1,020,164.42 is: 1,530,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,509.39 : 1,666,427.48 = 1,020,164.42 : x
  2. Step 2: Convert to fraction form
    1,110,509.39/1,666,427.48 = 1,020,164.42/x
  3. Step 3: Cross multiply
    1,110,509.39x = 1,666,427.48 × 1,020,164.42
  4. Step 4: Simplify right side
    1,110,509.39x = 1,700,030,026,497.12
  5. Step 5: Solve for x
    x = 1,700,030,026,497.12/1,110,509.39
  6. Step 6: Final answer
    x = 1,530,856.05

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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.