Home / 1,587,107.03-2,190,342.78-898,901.32

Finding the Fourth Proportional to 1,587,107.03, 2,190,342.78 and 898,901.32

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Solution

The fourth proportional to 1,587,107.03, 2,190,342.78 and 898,901.32 is: 1,240,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,107.03 : 2,190,342.78 = 898,901.32 : x
  2. Step 2: Convert to fraction form
    1,587,107.03/2,190,342.78 = 898,901.32/x
  3. Step 3: Cross multiply
    1,587,107.03x = 2,190,342.78 × 898,901.32
  4. Step 4: Simplify right side
    1,587,107.03x = 1,968,902,005,242.76
  5. Step 5: Solve for x
    x = 1,968,902,005,242.76/1,587,107.03
  6. Step 6: Final answer
    x = 1,240,560.32

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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.