Home / 1,385,500.12-2,078,848.84-745,055.26

Finding the Fourth Proportional to 1,385,500.12, 2,078,848.84 and 745,055.26

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Solution

The fourth proportional to 1,385,500.12, 2,078,848.84 and 745,055.26 is: 1,117,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,500.12 : 2,078,848.84 = 745,055.26 : x
  2. Step 2: Convert to fraction form
    1,385,500.12/2,078,848.84 = 745,055.26/x
  3. Step 3: Cross multiply
    1,385,500.12x = 2,078,848.84 × 745,055.26
  4. Step 4: Simplify right side
    1,385,500.12x = 1,548,857,262,986.90
  5. Step 5: Solve for x
    x = 1,548,857,262,986.90/1,385,500.12
  6. Step 6: Final answer
    x = 1,117,904.82

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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.