Home / 1,528,006.20-2,294,457.30-1,215,065.40

Finding the Fourth Proportional to 1,528,006.20, 2,294,457.30 and 1,215,065.40

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Solution

The fourth proportional to 1,528,006.20, 2,294,457.30 and 1,215,065.40 is: 1,824,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,006.20 : 2,294,457.30 = 1,215,065.40 : x
  2. Step 2: Convert to fraction form
    1,528,006.20/2,294,457.30 = 1,215,065.40/x
  3. Step 3: Cross multiply
    1,528,006.20x = 2,294,457.30 × 1,215,065.40
  4. Step 4: Simplify right side
    1,528,006.20x = 2,787,915,677,007.42
  5. Step 5: Solve for x
    x = 2,787,915,677,007.42/1,528,006.20
  6. Step 6: Final answer
    x = 1,824,544.74

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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.