Home / 1,402,153.73-2,103,585.42-391,275.54

Finding the Fourth Proportional to 1,402,153.73, 2,103,585.42 and 391,275.54

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Solution

The fourth proportional to 1,402,153.73, 2,103,585.42 and 391,275.54 is: 587,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,153.73 : 2,103,585.42 = 391,275.54 : x
  2. Step 2: Convert to fraction form
    1,402,153.73/2,103,585.42 = 391,275.54/x
  3. Step 3: Cross multiply
    1,402,153.73x = 2,103,585.42 × 391,275.54
  4. Step 4: Simplify right side
    1,402,153.73x = 823,081,521,146.63
  5. Step 5: Solve for x
    x = 823,081,521,146.63/1,402,153.73
  6. Step 6: Final answer
    x = 587,012.33

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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.