Home / 1,434,917.60-1,980,199.68-790,340.16

Finding the Fourth Proportional to 1,434,917.60, 1,980,199.68 and 790,340.16

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Solution

The fourth proportional to 1,434,917.60, 1,980,199.68 and 790,340.16 is: 1,090,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,917.60 : 1,980,199.68 = 790,340.16 : x
  2. Step 2: Convert to fraction form
    1,434,917.60/1,980,199.68 = 790,340.16/x
  3. Step 3: Cross multiply
    1,434,917.60x = 1,980,199.68 × 790,340.16
  4. Step 4: Simplify right side
    1,434,917.60x = 1,565,031,331,923.15
  5. Step 5: Solve for x
    x = 1,565,031,331,923.15/1,434,917.60
  6. Step 6: Final answer
    x = 1,090,676.80

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1.5x scale

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.