Home / 859,152.80-1,290,106.20-683,123.60

Finding the Fourth Proportional to 859,152.80, 1,290,106.20 and 683,123.60

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Solution

The fourth proportional to 859,152.80, 1,290,106.20 and 683,123.60 is: 1,025,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,152.80 : 1,290,106.20 = 683,123.60 : x
  2. Step 2: Convert to fraction form
    859,152.80/1,290,106.20 = 683,123.60/x
  3. Step 3: Cross multiply
    859,152.80x = 1,290,106.20 × 683,123.60
  4. Step 4: Simplify right side
    859,152.80x = 881,301,991,726.32
  5. Step 5: Solve for x
    x = 881,301,991,726.32/859,152.80
  6. Step 6: Final answer
    x = 1,025,780.27

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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.