Home / 1,316,100.74-1,974,937.62-1,209,025.22

Finding the Fourth Proportional to 1,316,100.74, 1,974,937.62 and 1,209,025.22

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Solution

The fourth proportional to 1,316,100.74, 1,974,937.62 and 1,209,025.22 is: 1,814,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,100.74 : 1,974,937.62 = 1,209,025.22 : x
  2. Step 2: Convert to fraction form
    1,316,100.74/1,974,937.62 = 1,209,025.22/x
  3. Step 3: Cross multiply
    1,316,100.74x = 1,974,937.62 × 1,209,025.22
  4. Step 4: Simplify right side
    1,316,100.74x = 2,387,749,390,506.78
  5. Step 5: Solve for x
    x = 2,387,749,390,506.78/1,316,100.74
  6. Step 6: Final answer
    x = 1,814,260.35

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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.