Home / 1,487,289.12-2,052,449.22-808,225.56

Finding the Fourth Proportional to 1,487,289.12, 2,052,449.22 and 808,225.56

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Solution

The fourth proportional to 1,487,289.12, 2,052,449.22 and 808,225.56 is: 1,115,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,289.12 : 2,052,449.22 = 808,225.56 : x
  2. Step 2: Convert to fraction form
    1,487,289.12/2,052,449.22 = 808,225.56/x
  3. Step 3: Cross multiply
    1,487,289.12x = 2,052,449.22 × 808,225.56
  4. Step 4: Simplify right side
    1,487,289.12x = 1,658,841,920,206.06
  5. Step 5: Solve for x
    x = 1,658,841,920,206.06/1,487,289.12
  6. Step 6: Final answer
    x = 1,115,345.97

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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.