Home / 1,230,277.60-1,843,688.40-977,989.60

Finding the Fourth Proportional to 1,230,277.60, 1,843,688.40 and 977,989.60

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Solution

The fourth proportional to 1,230,277.60, 1,843,688.40 and 977,989.60 is: 1,465,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,277.60 : 1,843,688.40 = 977,989.60 : x
  2. Step 2: Convert to fraction form
    1,230,277.60/1,843,688.40 = 977,989.60/x
  3. Step 3: Cross multiply
    1,230,277.60x = 1,843,688.40 × 977,989.60
  4. Step 4: Simplify right side
    1,230,277.60x = 1,803,108,080,840.64
  5. Step 5: Solve for x
    x = 1,803,108,080,840.64/1,230,277.60
  6. Step 6: Final answer
    x = 1,465,610.75

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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.