Home / 1,087,220.07-1,630,828.59-456,133.88

Finding the Fourth Proportional to 1,087,220.07, 1,630,828.59 and 456,133.88

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Solution

The fourth proportional to 1,087,220.07, 1,630,828.59 and 456,133.88 is: 684,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,220.07 : 1,630,828.59 = 456,133.88 : x
  2. Step 2: Convert to fraction form
    1,087,220.07/1,630,828.59 = 456,133.88/x
  3. Step 3: Cross multiply
    1,087,220.07x = 1,630,828.59 × 456,133.88
  4. Step 4: Simplify right side
    1,087,220.07x = 743,876,174,738.20
  5. Step 5: Solve for x
    x = 743,876,174,738.20/1,087,220.07
  6. Step 6: Final answer
    x = 684,200.19

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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.