Home / 1,099,583.40-1,648,415.10-426,124.20

Finding the Fourth Proportional to 1,099,583.40, 1,648,415.10 and 426,124.20

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Solution

The fourth proportional to 1,099,583.40, 1,648,415.10 and 426,124.20 is: 638,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,583.40 : 1,648,415.10 = 426,124.20 : x
  2. Step 2: Convert to fraction form
    1,099,583.40/1,648,415.10 = 426,124.20/x
  3. Step 3: Cross multiply
    1,099,583.40x = 1,648,415.10 × 426,124.20
  4. Step 4: Simplify right side
    1,099,583.40x = 702,429,565,755.42
  5. Step 5: Solve for x
    x = 702,429,565,755.42/1,099,583.40
  6. Step 6: Final answer
    x = 638,814.27

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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.