Home / 1,210,341.70-1,815,512.55-368,784.10

Finding the Fourth Proportional to 1,210,341.70, 1,815,512.55 and 368,784.10

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Solution

The fourth proportional to 1,210,341.70, 1,815,512.55 and 368,784.10 is: 553,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,341.70 : 1,815,512.55 = 368,784.10 : x
  2. Step 2: Convert to fraction form
    1,210,341.70/1,815,512.55 = 368,784.10/x
  3. Step 3: Cross multiply
    1,210,341.70x = 1,815,512.55 × 368,784.10
  4. Step 4: Simplify right side
    1,210,341.70x = 669,532,161,790.46
  5. Step 5: Solve for x
    x = 669,532,161,790.46/1,210,341.70
  6. Step 6: Final answer
    x = 553,176.15

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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.