Home / 974,419.20-1,461,628.80-554,515.20

Finding the Fourth Proportional to 974,419.20, 1,461,628.80 and 554,515.20

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Solution

The fourth proportional to 974,419.20, 1,461,628.80 and 554,515.20 is: 831,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,419.20 : 1,461,628.80 = 554,515.20 : x
  2. Step 2: Convert to fraction form
    974,419.20/1,461,628.80 = 554,515.20/x
  3. Step 3: Cross multiply
    974,419.20x = 1,461,628.80 × 554,515.20
  4. Step 4: Simplify right side
    974,419.20x = 810,495,386,357.76
  5. Step 5: Solve for x
    x = 810,495,386,357.76/974,419.20
  6. Step 6: Final answer
    x = 831,772.80

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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.