Home / 1,587,478.08-2,190,736.08-862,340.16

Finding the Fourth Proportional to 1,587,478.08, 2,190,736.08 and 862,340.16

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Solution

The fourth proportional to 1,587,478.08, 2,190,736.08 and 862,340.16 is: 1,190,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,478.08 : 2,190,736.08 = 862,340.16 : x
  2. Step 2: Convert to fraction form
    1,587,478.08/2,190,736.08 = 862,340.16/x
  3. Step 3: Cross multiply
    1,587,478.08x = 2,190,736.08 × 862,340.16
  4. Step 4: Simplify right side
    1,587,478.08x = 1,889,159,701,744.97
  5. Step 5: Solve for x
    x = 1,889,159,701,744.97/1,587,478.08
  6. Step 6: Final answer
    x = 1,190,038.29

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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.