Home / 1,020,764.70-1,531,147.05-272,810.70

Finding the Fourth Proportional to 1,020,764.70, 1,531,147.05 and 272,810.70

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Solution

The fourth proportional to 1,020,764.70, 1,531,147.05 and 272,810.70 is: 409,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,764.70 : 1,531,147.05 = 272,810.70 : x
  2. Step 2: Convert to fraction form
    1,020,764.70/1,531,147.05 = 272,810.70/x
  3. Step 3: Cross multiply
    1,020,764.70x = 1,531,147.05 × 272,810.70
  4. Step 4: Simplify right side
    1,020,764.70x = 417,713,298,513.44
  5. Step 5: Solve for x
    x = 417,713,298,513.44/1,020,764.70
  6. Step 6: Final answer
    x = 409,216.05

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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.