Home / 977,051.60-1,467,132.60-662,901.20

Finding the Fourth Proportional to 977,051.60, 1,467,132.60 and 662,901.20

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Solution

The fourth proportional to 977,051.60, 1,467,132.60 and 662,901.20 is: 995,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,051.60 : 1,467,132.60 = 662,901.20 : x
  2. Step 2: Convert to fraction form
    977,051.60/1,467,132.60 = 662,901.20/x
  3. Step 3: Cross multiply
    977,051.60x = 1,467,132.60 × 662,901.20
  4. Step 4: Simplify right side
    977,051.60x = 972,563,961,099.12
  5. Step 5: Solve for x
    x = 972,563,961,099.12/977,051.60
  6. Step 6: Final answer
    x = 995,406.96

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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.