Home / 1,434,650.40-1,979,907.60-790,070.58

Finding the Fourth Proportional to 1,434,650.40, 1,979,907.60 and 790,070.58

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Solution

The fourth proportional to 1,434,650.40, 1,979,907.60 and 790,070.58 is: 1,090,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,650.40 : 1,979,907.60 = 790,070.58 : x
  2. Step 2: Convert to fraction form
    1,434,650.40/1,979,907.60 = 790,070.58/x
  3. Step 3: Cross multiply
    1,434,650.40x = 1,979,907.60 × 790,070.58
  4. Step 4: Simplify right side
    1,434,650.40x = 1,564,266,745,878.41
  5. Step 5: Solve for x
    x = 1,564,266,745,878.41/1,434,650.40
  6. Step 6: Final answer
    x = 1,090,346.99

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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.