Home / 1,252,586.70-1,878,858.06-867,980.88

Finding the Fourth Proportional to 1,252,586.70, 1,878,858.06 and 867,980.88

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Solution

The fourth proportional to 1,252,586.70, 1,878,858.06 and 867,980.88 is: 1,301,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,586.70 : 1,878,858.06 = 867,980.88 : x
  2. Step 2: Convert to fraction form
    1,252,586.70/1,878,858.06 = 867,980.88/x
  3. Step 3: Cross multiply
    1,252,586.70x = 1,878,858.06 × 867,980.88
  4. Step 4: Simplify right side
    1,252,586.70x = 1,630,812,872,313.89
  5. Step 5: Solve for x
    x = 1,630,812,872,313.89/1,252,586.70
  6. Step 6: Final answer
    x = 1,301,956.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.