Home / 1,487,669-2,052,975.54-808,609.16

Finding the Fourth Proportional to 1,487,669, 2,052,975.54 and 808,609.16

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Solution

The fourth proportional to 1,487,669, 2,052,975.54 and 808,609.16 is: 1,115,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,669 : 2,052,975.54 = 808,609.16 : x
  2. Step 2: Convert to fraction form
    1,487,669/2,052,975.54 = 808,609.16/x
  3. Step 3: Cross multiply
    1,487,669x = 2,052,975.54 × 808,609.16
  4. Step 4: Simplify right side
    1,487,669x = 1,660,054,826,899.95
  5. Step 5: Solve for x
    x = 1,660,054,826,899.95/1,487,669
  6. Step 6: Final answer
    x = 1,115,876.47

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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.