Home / 1,261,360.40-1,739,898.96-898,900.40

Finding the Fourth Proportional to 1,261,360.40, 1,739,898.96 and 898,900.40

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Solution

The fourth proportional to 1,261,360.40, 1,739,898.96 and 898,900.40 is: 1,239,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,360.40 : 1,739,898.96 = 898,900.40 : x
  2. Step 2: Convert to fraction form
    1,261,360.40/1,739,898.96 = 898,900.40/x
  3. Step 3: Cross multiply
    1,261,360.40x = 1,739,898.96 × 898,900.40
  4. Step 4: Simplify right side
    1,261,360.40x = 1,563,995,871,103.58
  5. Step 5: Solve for x
    x = 1,563,995,871,103.58/1,261,360.40
  6. Step 6: Final answer
    x = 1,239,927.84

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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.