Home / 1,687,624.34-2,328,903.84-913,238.24

Finding the Fourth Proportional to 1,687,624.34, 2,328,903.84 and 913,238.24

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Solution

The fourth proportional to 1,687,624.34, 2,328,903.84 and 913,238.24 is: 1,260,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,624.34 : 2,328,903.84 = 913,238.24 : x
  2. Step 2: Convert to fraction form
    1,687,624.34/2,328,903.84 = 913,238.24/x
  3. Step 3: Cross multiply
    1,687,624.34x = 2,328,903.84 × 913,238.24
  4. Step 4: Simplify right side
    1,687,624.34x = 2,126,844,032,326.32
  5. Step 5: Solve for x
    x = 2,126,844,032,326.32/1,687,624.34
  6. Step 6: Final answer
    x = 1,260,259.16

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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.