Home / 1,092,403.08-1,637,478.70-418,300.20

Finding the Fourth Proportional to 1,092,403.08, 1,637,478.70 and 418,300.20

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Solution

The fourth proportional to 1,092,403.08, 1,637,478.70 and 418,300.20 is: 627,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,403.08 : 1,637,478.70 = 418,300.20 : x
  2. Step 2: Convert to fraction form
    1,092,403.08/1,637,478.70 = 418,300.20/x
  3. Step 3: Cross multiply
    1,092,403.08x = 1,637,478.70 × 418,300.20
  4. Step 4: Simplify right side
    1,092,403.08x = 684,957,667,705.74
  5. Step 5: Solve for x
    x = 684,957,667,705.74/1,092,403.08
  6. Step 6: Final answer
    x = 627,019.17

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1.5x scale

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.