Home / 1,821,630.40-2,733,223.20-874,513.60

Finding the Fourth Proportional to 1,821,630.40, 2,733,223.20 and 874,513.60

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Solution

The fourth proportional to 1,821,630.40, 2,733,223.20 and 874,513.60 is: 1,312,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,630.40 : 2,733,223.20 = 874,513.60 : x
  2. Step 2: Convert to fraction form
    1,821,630.40/2,733,223.20 = 874,513.60/x
  3. Step 3: Cross multiply
    1,821,630.40x = 2,733,223.20 × 874,513.60
  4. Step 4: Simplify right side
    1,821,630.40x = 2,390,240,860,235.52
  5. Step 5: Solve for x
    x = 2,390,240,860,235.52/1,821,630.40
  6. Step 6: Final answer
    x = 1,312,143.70

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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.