Home / 1,207,439.10-1,811,158.65-1,116,200.70

Finding the Fourth Proportional to 1,207,439.10, 1,811,158.65 and 1,116,200.70

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Solution

The fourth proportional to 1,207,439.10, 1,811,158.65 and 1,116,200.70 is: 1,674,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,439.10 : 1,811,158.65 = 1,116,200.70 : x
  2. Step 2: Convert to fraction form
    1,207,439.10/1,811,158.65 = 1,116,200.70/x
  3. Step 3: Cross multiply
    1,207,439.10x = 1,811,158.65 × 1,116,200.70
  4. Step 4: Simplify right side
    1,207,439.10x = 2,021,616,552,941.06
  5. Step 5: Solve for x
    x = 2,021,616,552,941.06/1,207,439.10
  6. Step 6: Final answer
    x = 1,674,301.05

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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.