Home / 1,004,939.70-1,506,097.35-724,128.90

Finding the Fourth Proportional to 1,004,939.70, 1,506,097.35 and 724,128.90

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Solution

The fourth proportional to 1,004,939.70, 1,506,097.35 and 724,128.90 is: 1,085,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,939.70 : 1,506,097.35 = 724,128.90 : x
  2. Step 2: Convert to fraction form
    1,004,939.70/1,506,097.35 = 724,128.90/x
  3. Step 3: Cross multiply
    1,004,939.70x = 1,506,097.35 × 724,128.90
  4. Step 4: Simplify right side
    1,004,939.70x = 1,090,608,617,348.42
  5. Step 5: Solve for x
    x = 1,090,608,617,348.42/1,004,939.70
  6. Step 6: Final answer
    x = 1,085,247.82

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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.