Home / 1,587,390.44-2,189,981.38-898,904.20

Finding the Fourth Proportional to 1,587,390.44, 2,189,981.38 and 898,904.20

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Solution

The fourth proportional to 1,587,390.44, 2,189,981.38 and 898,904.20 is: 1,240,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,390.44 : 2,189,981.38 = 898,904.20 : x
  2. Step 2: Convert to fraction form
    1,587,390.44/2,189,981.38 = 898,904.20/x
  3. Step 3: Cross multiply
    1,587,390.44x = 2,189,981.38 × 898,904.20
  4. Step 4: Simplify right side
    1,587,390.44x = 1,968,583,460,403.80
  5. Step 5: Solve for x
    x = 1,968,583,460,403.80/1,587,390.44
  6. Step 6: Final answer
    x = 1,240,138.16

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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.