Home / 1,319,494.60-1,978,982.70-433,030.60

Finding the Fourth Proportional to 1,319,494.60, 1,978,982.70 and 433,030.60

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Solution

The fourth proportional to 1,319,494.60, 1,978,982.70 and 433,030.60 is: 649,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,494.60 : 1,978,982.70 = 433,030.60 : x
  2. Step 2: Convert to fraction form
    1,319,494.60/1,978,982.70 = 433,030.60/x
  3. Step 3: Cross multiply
    1,319,494.60x = 1,978,982.70 × 433,030.60
  4. Step 4: Simplify right side
    1,319,494.60x = 856,960,065,970.62
  5. Step 5: Solve for x
    x = 856,960,065,970.62/1,319,494.60
  6. Step 6: Final answer
    x = 649,460.84

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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.