Home / 1,141,429.86-1,712,258.01-421,960.05

Finding the Fourth Proportional to 1,141,429.86, 1,712,258.01 and 421,960.05

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Solution

The fourth proportional to 1,141,429.86, 1,712,258.01 and 421,960.05 is: 632,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,429.86 : 1,712,258.01 = 421,960.05 : x
  2. Step 2: Convert to fraction form
    1,141,429.86/1,712,258.01 = 421,960.05/x
  3. Step 3: Cross multiply
    1,141,429.86x = 1,712,258.01 × 421,960.05
  4. Step 4: Simplify right side
    1,141,429.86x = 722,504,475,512.50
  5. Step 5: Solve for x
    x = 722,504,475,512.50/1,141,429.86
  6. Step 6: Final answer
    x = 632,981.93

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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.