Home / 1,146,348.87-1,716,886.83-665,385.50

Finding the Fourth Proportional to 1,146,348.87, 1,716,886.83 and 665,385.50

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Solution

The fourth proportional to 1,146,348.87, 1,716,886.83 and 665,385.50 is: 996,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,348.87 : 1,716,886.83 = 665,385.50 : x
  2. Step 2: Convert to fraction form
    1,146,348.87/1,716,886.83 = 665,385.50/x
  3. Step 3: Cross multiply
    1,146,348.87x = 1,716,886.83 × 665,385.50
  4. Step 4: Simplify right side
    1,146,348.87x = 1,142,391,601,822.97
  5. Step 5: Solve for x
    x = 1,142,391,601,822.97/1,146,348.87
  6. Step 6: Final answer
    x = 996,547.94

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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.