Home / 1,587,635.10-2,190,927.69-862,477.02

Finding the Fourth Proportional to 1,587,635.10, 2,190,927.69 and 862,477.02

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Solution

The fourth proportional to 1,587,635.10, 2,190,927.69 and 862,477.02 is: 1,190,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,635.10 : 2,190,927.69 = 862,477.02 : x
  2. Step 2: Convert to fraction form
    1,587,635.10/2,190,927.69 = 862,477.02/x
  3. Step 3: Cross multiply
    1,587,635.10x = 2,190,927.69 × 862,477.02
  4. Step 4: Simplify right side
    1,587,635.10x = 1,889,624,785,106.68
  5. Step 5: Solve for x
    x = 1,889,624,785,106.68/1,587,635.10
  6. Step 6: Final answer
    x = 1,190,213.54

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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.