Home / 1,316,522.70-1,816,790.94-712,910.70

Finding the Fourth Proportional to 1,316,522.70, 1,816,790.94 and 712,910.70

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Solution

The fourth proportional to 1,316,522.70, 1,816,790.94 and 712,910.70 is: 983,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,522.70 : 1,816,790.94 = 712,910.70 : x
  2. Step 2: Convert to fraction form
    1,316,522.70/1,816,790.94 = 712,910.70/x
  3. Step 3: Cross multiply
    1,316,522.70x = 1,816,790.94 × 712,910.70
  4. Step 4: Simplify right side
    1,316,522.70x = 1,295,209,700,789.06
  5. Step 5: Solve for x
    x = 1,295,209,700,789.06/1,316,522.70
  6. Step 6: Final answer
    x = 983,811.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.