Home / 1,077,020.12-1,615,722.16-357,405.06

Finding the Fourth Proportional to 1,077,020.12, 1,615,722.16 and 357,405.06

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Solution

The fourth proportional to 1,077,020.12, 1,615,722.16 and 357,405.06 is: 536,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,020.12 : 1,615,722.16 = 357,405.06 : x
  2. Step 2: Convert to fraction form
    1,077,020.12/1,615,722.16 = 357,405.06/x
  3. Step 3: Cross multiply
    1,077,020.12x = 1,615,722.16 × 357,405.06
  4. Step 4: Simplify right side
    1,077,020.12x = 577,467,275,538.13
  5. Step 5: Solve for x
    x = 577,467,275,538.13/1,077,020.12
  6. Step 6: Final answer
    x = 536,171.30

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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.