Home / 991,931.60-1,491,007.80-973,269.20

Finding the Fourth Proportional to 991,931.60, 1,491,007.80 and 973,269.20

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Solution

The fourth proportional to 991,931.60, 1,491,007.80 and 973,269.20 is: 1,462,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,931.60 : 1,491,007.80 = 973,269.20 : x
  2. Step 2: Convert to fraction form
    991,931.60/1,491,007.80 = 973,269.20/x
  3. Step 3: Cross multiply
    991,931.60x = 1,491,007.80 × 973,269.20
  4. Step 4: Simplify right side
    991,931.60x = 1,451,151,968,699.76
  5. Step 5: Solve for x
    x = 1,451,151,968,699.76/991,931.60
  6. Step 6: Final answer
    x = 1,462,955.68

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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.