Home / 1,537,398.48-2,121,470.28-858,210

Finding the Fourth Proportional to 1,537,398.48, 2,121,470.28 and 858,210

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Solution

The fourth proportional to 1,537,398.48, 2,121,470.28 and 858,210 is: 1,184,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,398.48 : 2,121,470.28 = 858,210 : x
  2. Step 2: Convert to fraction form
    1,537,398.48/2,121,470.28 = 858,210/x
  3. Step 3: Cross multiply
    1,537,398.48x = 2,121,470.28 × 858,210
  4. Step 4: Simplify right side
    1,537,398.48x = 1,820,667,008,998.80
  5. Step 5: Solve for x
    x = 1,820,667,008,998.80/1,537,398.48
  6. Step 6: Final answer
    x = 1,184,251.86

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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.