Home / 1,686,475.89-2,529,549.81-928,068.03

Finding the Fourth Proportional to 1,686,475.89, 2,529,549.81 and 928,068.03

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Solution

The fourth proportional to 1,686,475.89, 2,529,549.81 and 928,068.03 is: 1,392,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,475.89 : 2,529,549.81 = 928,068.03 : x
  2. Step 2: Convert to fraction form
    1,686,475.89/2,529,549.81 = 928,068.03/x
  3. Step 3: Cross multiply
    1,686,475.89x = 2,529,549.81 × 928,068.03
  4. Step 4: Simplify right side
    1,686,475.89x = 2,347,594,308,953.57
  5. Step 5: Solve for x
    x = 2,347,594,308,953.57/1,686,475.89
  6. Step 6: Final answer
    x = 1,392,011.78

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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.