Home / 1,142,036.20-1,712,471.10-422,341.48

Finding the Fourth Proportional to 1,142,036.20, 1,712,471.10 and 422,341.48

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Solution

The fourth proportional to 1,142,036.20, 1,712,471.10 and 422,341.48 is: 633,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,036.20 : 1,712,471.10 = 422,341.48 : x
  2. Step 2: Convert to fraction form
    1,142,036.20/1,712,471.10 = 422,341.48/x
  3. Step 3: Cross multiply
    1,142,036.20x = 1,712,471.10 × 422,341.48
  4. Step 4: Simplify right side
    1,142,036.20x = 723,247,578,831.23
  5. Step 5: Solve for x
    x = 723,247,578,831.23/1,142,036.20
  6. Step 6: Final answer
    x = 633,296.54

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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.