Home / 1,349,137.60-2,023,447.20-402,539.20

Finding the Fourth Proportional to 1,349,137.60, 2,023,447.20 and 402,539.20

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Solution

The fourth proportional to 1,349,137.60, 2,023,447.20 and 402,539.20 is: 603,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,137.60 : 2,023,447.20 = 402,539.20 : x
  2. Step 2: Convert to fraction form
    1,349,137.60/2,023,447.20 = 402,539.20/x
  3. Step 3: Cross multiply
    1,349,137.60x = 2,023,447.20 × 402,539.20
  4. Step 4: Simplify right side
    1,349,137.60x = 814,516,817,130.24
  5. Step 5: Solve for x
    x = 814,516,817,130.24/1,349,137.60
  6. Step 6: Final answer
    x = 603,731.46

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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.