Home / 1,210,099.20-1,815,148.80-368,541.60

Finding the Fourth Proportional to 1,210,099.20, 1,815,148.80 and 368,541.60

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Solution

The fourth proportional to 1,210,099.20, 1,815,148.80 and 368,541.60 is: 552,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,099.20 : 1,815,148.80 = 368,541.60 : x
  2. Step 2: Convert to fraction form
    1,210,099.20/1,815,148.80 = 368,541.60/x
  3. Step 3: Cross multiply
    1,210,099.20x = 1,815,148.80 × 368,541.60
  4. Step 4: Simplify right side
    1,210,099.20x = 668,957,842,990.08
  5. Step 5: Solve for x
    x = 668,957,842,990.08/1,210,099.20
  6. Step 6: Final answer
    x = 552,812.40

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1.5x scale

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.