Home / 1,587,635.60-2,190,928.37-862,477.52

Finding the Fourth Proportional to 1,587,635.60, 2,190,928.37 and 862,477.52

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Solution

The fourth proportional to 1,587,635.60, 2,190,928.37 and 862,477.52 is: 1,190,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,635.60 : 2,190,928.37 = 862,477.52 : x
  2. Step 2: Convert to fraction form
    1,587,635.60/2,190,928.37 = 862,477.52/x
  3. Step 3: Cross multiply
    1,587,635.60x = 2,190,928.37 × 862,477.52
  4. Step 4: Simplify right side
    1,587,635.60x = 1,889,626,467,055.24
  5. Step 5: Solve for x
    x = 1,889,626,467,055.24/1,587,635.60
  6. Step 6: Final answer
    x = 1,190,214.22

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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.