Home / 1,140,029.90-1,709,079.03-499,848.47

Finding the Fourth Proportional to 1,140,029.90, 1,709,079.03 and 499,848.47

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Solution

The fourth proportional to 1,140,029.90, 1,709,079.03 and 499,848.47 is: 749,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,029.90 : 1,709,079.03 = 499,848.47 : x
  2. Step 2: Convert to fraction form
    1,140,029.90/1,709,079.03 = 499,848.47/x
  3. Step 3: Cross multiply
    1,140,029.90x = 1,709,079.03 × 499,848.47
  4. Step 4: Simplify right side
    1,140,029.90x = 854,280,538,254.58
  5. Step 5: Solve for x
    x = 854,280,538,254.58/1,140,029.90
  6. Step 6: Final answer
    x = 749,349.24

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.