Home / 1,190,305.92-1,784,802.80-620,264.40

Finding the Fourth Proportional to 1,190,305.92, 1,784,802.80 and 620,264.40

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Solution

The fourth proportional to 1,190,305.92, 1,784,802.80 and 620,264.40 is: 930,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,305.92 : 1,784,802.80 = 620,264.40 : x
  2. Step 2: Convert to fraction form
    1,190,305.92/1,784,802.80 = 620,264.40/x
  3. Step 3: Cross multiply
    1,190,305.92x = 1,784,802.80 × 620,264.40
  4. Step 4: Simplify right side
    1,190,305.92x = 1,107,049,637,860.32
  5. Step 5: Solve for x
    x = 1,107,049,637,860.32/1,190,305.92
  6. Step 6: Final answer
    x = 930,054.72

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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.