Home / 860,152.40-1,290,811.80-559,901.60

Finding the Fourth Proportional to 860,152.40, 1,290,811.80 and 559,901.60

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Solution

The fourth proportional to 860,152.40, 1,290,811.80 and 559,901.60 is: 840,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,152.40 : 1,290,811.80 = 559,901.60 : x
  2. Step 2: Convert to fraction form
    860,152.40/1,290,811.80 = 559,901.60/x
  3. Step 3: Cross multiply
    860,152.40x = 1,290,811.80 × 559,901.60
  4. Step 4: Simplify right side
    860,152.40x = 722,727,592,118.88
  5. Step 5: Solve for x
    x = 722,727,592,118.88/860,152.40
  6. Step 6: Final answer
    x = 840,232.02

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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.