Home / 1,290,460.85-1,934,559.48-491,210.76

Finding the Fourth Proportional to 1,290,460.85, 1,934,559.48 and 491,210.76

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Solution

The fourth proportional to 1,290,460.85, 1,934,559.48 and 491,210.76 is: 736,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,460.85 : 1,934,559.48 = 491,210.76 : x
  2. Step 2: Convert to fraction form
    1,290,460.85/1,934,559.48 = 491,210.76/x
  3. Step 3: Cross multiply
    1,290,460.85x = 1,934,559.48 × 491,210.76
  4. Step 4: Simplify right side
    1,290,460.85x = 950,276,441,532.64
  5. Step 5: Solve for x
    x = 950,276,441,532.64/1,290,460.85
  6. Step 6: Final answer
    x = 736,385.33

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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.