Home / 984,985.20-1,477,477.80-860,569.20

Finding the Fourth Proportional to 984,985.20, 1,477,477.80 and 860,569.20

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Solution

The fourth proportional to 984,985.20, 1,477,477.80 and 860,569.20 is: 1,290,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,985.20 : 1,477,477.80 = 860,569.20 : x
  2. Step 2: Convert to fraction form
    984,985.20/1,477,477.80 = 860,569.20/x
  3. Step 3: Cross multiply
    984,985.20x = 1,477,477.80 × 860,569.20
  4. Step 4: Simplify right side
    984,985.20x = 1,271,471,888,363.76
  5. Step 5: Solve for x
    x = 1,271,471,888,363.76/984,985.20
  6. Step 6: Final answer
    x = 1,290,853.80

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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.