Home / 1,470,000.80-2,205,001.20-472,829.60

Finding the Fourth Proportional to 1,470,000.80, 2,205,001.20 and 472,829.60

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Solution

The fourth proportional to 1,470,000.80, 2,205,001.20 and 472,829.60 is: 709,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,000.80 : 2,205,001.20 = 472,829.60 : x
  2. Step 2: Convert to fraction form
    1,470,000.80/2,205,001.20 = 472,829.60/x
  3. Step 3: Cross multiply
    1,470,000.80x = 2,205,001.20 × 472,829.60
  4. Step 4: Simplify right side
    1,470,000.80x = 1,042,589,835,395.52
  5. Step 5: Solve for x
    x = 1,042,589,835,395.52/1,470,000.80
  6. Step 6: Final answer
    x = 709,244.40

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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.