Home / 1,434,927.60-1,980,213.48-790,350.16

Finding the Fourth Proportional to 1,434,927.60, 1,980,213.48 and 790,350.16

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Solution

The fourth proportional to 1,434,927.60, 1,980,213.48 and 790,350.16 is: 1,090,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,927.60 : 1,980,213.48 = 790,350.16 : x
  2. Step 2: Convert to fraction form
    1,434,927.60/1,980,213.48 = 790,350.16/x
  3. Step 3: Cross multiply
    1,434,927.60x = 1,980,213.48 × 790,350.16
  4. Step 4: Simplify right side
    1,434,927.60x = 1,565,062,040,752.16
  5. Step 5: Solve for x
    x = 1,565,062,040,752.16/1,434,927.60
  6. Step 6: Final answer
    x = 1,090,690.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.