Home / 1,811,204.70-2,716,807.05-971,396.70

Finding the Fourth Proportional to 1,811,204.70, 2,716,807.05 and 971,396.70

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Solution

The fourth proportional to 1,811,204.70, 2,716,807.05 and 971,396.70 is: 1,457,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,204.70 : 2,716,807.05 = 971,396.70 : x
  2. Step 2: Convert to fraction form
    1,811,204.70/2,716,807.05 = 971,396.70/x
  3. Step 3: Cross multiply
    1,811,204.70x = 2,716,807.05 × 971,396.70
  4. Step 4: Simplify right side
    1,811,204.70x = 2,639,097,402,906.74
  5. Step 5: Solve for x
    x = 2,639,097,402,906.74/1,811,204.70
  6. Step 6: Final answer
    x = 1,457,095.05

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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.