Home / 1,214,900.80-1,822,351.20-648,030.40

Finding the Fourth Proportional to 1,214,900.80, 1,822,351.20 and 648,030.40

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Solution

The fourth proportional to 1,214,900.80, 1,822,351.20 and 648,030.40 is: 972,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,900.80 : 1,822,351.20 = 648,030.40 : x
  2. Step 2: Convert to fraction form
    1,214,900.80/1,822,351.20 = 648,030.40/x
  3. Step 3: Cross multiply
    1,214,900.80x = 1,822,351.20 × 648,030.40
  4. Step 4: Simplify right side
    1,214,900.80x = 1,180,938,977,076.48
  5. Step 5: Solve for x
    x = 1,180,938,977,076.48/1,214,900.80
  6. Step 6: Final answer
    x = 972,045.60

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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.