Home / 1,316,352.40-1,974,528.60-818,688.40

Finding the Fourth Proportional to 1,316,352.40, 1,974,528.60 and 818,688.40

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Solution

The fourth proportional to 1,316,352.40, 1,974,528.60 and 818,688.40 is: 1,228,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,352.40 : 1,974,528.60 = 818,688.40 : x
  2. Step 2: Convert to fraction form
    1,316,352.40/1,974,528.60 = 818,688.40/x
  3. Step 3: Cross multiply
    1,316,352.40x = 1,974,528.60 × 818,688.40
  4. Step 4: Simplify right side
    1,316,352.40x = 1,616,523,660,288.24
  5. Step 5: Solve for x
    x = 1,616,523,660,288.24/1,316,352.40
  6. Step 6: Final answer
    x = 1,228,032.60

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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.