Home / 1,210,199.40-1,815,104.70-368,555.40

Finding the Fourth Proportional to 1,210,199.40, 1,815,104.70 and 368,555.40

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Solution

The fourth proportional to 1,210,199.40, 1,815,104.70 and 368,555.40 is: 552,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,199.40 : 1,815,104.70 = 368,555.40 : x
  2. Step 2: Convert to fraction form
    1,210,199.40/1,815,104.70 = 368,555.40/x
  3. Step 3: Cross multiply
    1,210,199.40x = 1,815,104.70 × 368,555.40
  4. Step 4: Simplify right side
    1,210,199.40x = 668,966,638,750.38
  5. Step 5: Solve for x
    x = 668,966,638,750.38/1,210,199.40
  6. Step 6: Final answer
    x = 552,773.90

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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.