Home / 1,099,729.40-1,648,019.70-625,412.60

Finding the Fourth Proportional to 1,099,729.40, 1,648,019.70 and 625,412.60

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Solution

The fourth proportional to 1,099,729.40, 1,648,019.70 and 625,412.60 is: 937,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,729.40 : 1,648,019.70 = 625,412.60 : x
  2. Step 2: Convert to fraction form
    1,099,729.40/1,648,019.70 = 625,412.60/x
  3. Step 3: Cross multiply
    1,099,729.40x = 1,648,019.70 × 625,412.60
  4. Step 4: Simplify right side
    1,099,729.40x = 1,030,692,285,428.22
  5. Step 5: Solve for x
    x = 1,030,692,285,428.22/1,099,729.40
  6. Step 6: Final answer
    x = 937,223.54

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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.