Home / 1,364,421.70-2,045,648.40-891,373.60

Finding the Fourth Proportional to 1,364,421.70, 2,045,648.40 and 891,373.60

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Solution

The fourth proportional to 1,364,421.70, 2,045,648.40 and 891,373.60 is: 1,336,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,421.70 : 2,045,648.40 = 891,373.60 : x
  2. Step 2: Convert to fraction form
    1,364,421.70/2,045,648.40 = 891,373.60/x
  3. Step 3: Cross multiply
    1,364,421.70x = 2,045,648.40 × 891,373.60
  4. Step 4: Simplify right side
    1,364,421.70x = 1,823,436,978,642.24
  5. Step 5: Solve for x
    x = 1,823,436,978,642.24/1,364,421.70
  6. Step 6: Final answer
    x = 1,336,417.46

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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.