Home / 1,434,918.10-1,980,200.37-790,340.62

Finding the Fourth Proportional to 1,434,918.10, 1,980,200.37 and 790,340.62

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Solution

The fourth proportional to 1,434,918.10, 1,980,200.37 and 790,340.62 is: 1,090,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,918.10 : 1,980,200.37 = 790,340.62 : x
  2. Step 2: Convert to fraction form
    1,434,918.10/1,980,200.37 = 790,340.62/x
  3. Step 3: Cross multiply
    1,434,918.10x = 1,980,200.37 × 790,340.62
  4. Step 4: Simplify right side
    1,434,918.10x = 1,565,032,788,150.03
  5. Step 5: Solve for x
    x = 1,565,032,788,150.03/1,434,918.10
  6. Step 6: Final answer
    x = 1,090,677.43

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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.