Home / 1,674,887.40-2,311,373.88-910,946.16

Finding the Fourth Proportional to 1,674,887.40, 2,311,373.88 and 910,946.16

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Solution

The fourth proportional to 1,674,887.40, 2,311,373.88 and 910,946.16 is: 1,257,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,887.40 : 2,311,373.88 = 910,946.16 : x
  2. Step 2: Convert to fraction form
    1,674,887.40/2,311,373.88 = 910,946.16/x
  3. Step 3: Cross multiply
    1,674,887.40x = 2,311,373.88 × 910,946.16
  4. Step 4: Simplify right side
    1,674,887.40x = 2,105,537,160,310.30
  5. Step 5: Solve for x
    x = 2,105,537,160,310.30/1,674,887.40
  6. Step 6: Final answer
    x = 1,257,121.62

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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.