Home / 1,341,272.60-2,011,908.90-1,191,973.40

Finding the Fourth Proportional to 1,341,272.60, 2,011,908.90 and 1,191,973.40

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Solution

The fourth proportional to 1,341,272.60, 2,011,908.90 and 1,191,973.40 is: 1,787,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,272.60 : 2,011,908.90 = 1,191,973.40 : x
  2. Step 2: Convert to fraction form
    1,341,272.60/2,011,908.90 = 1,191,973.40/x
  3. Step 3: Cross multiply
    1,341,272.60x = 2,011,908.90 × 1,191,973.40
  4. Step 4: Simplify right side
    1,341,272.60x = 2,398,141,892,023.26
  5. Step 5: Solve for x
    x = 2,398,141,892,023.26/1,341,272.60
  6. Step 6: Final answer
    x = 1,787,960.10

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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.