Home / 1,435,156.58-1,980,520.98-790,575.24

Finding the Fourth Proportional to 1,435,156.58, 1,980,520.98 and 790,575.24

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Solution

The fourth proportional to 1,435,156.58, 1,980,520.98 and 790,575.24 is: 1,090,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,156.58 : 1,980,520.98 = 790,575.24 : x
  2. Step 2: Convert to fraction form
    1,435,156.58/1,980,520.98 = 790,575.24/x
  3. Step 3: Cross multiply
    1,435,156.58x = 1,980,520.98 × 790,575.24
  4. Step 4: Simplify right side
    1,435,156.58x = 1,565,750,842,410.40
  5. Step 5: Solve for x
    x = 1,565,750,842,410.40/1,435,156.58
  6. Step 6: Final answer
    x = 1,090,996.52

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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.