Home / 1,402,649.60-2,103,974.40-456,051.20

Finding the Fourth Proportional to 1,402,649.60, 2,103,974.40 and 456,051.20

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Solution

The fourth proportional to 1,402,649.60, 2,103,974.40 and 456,051.20 is: 684,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,649.60 : 2,103,974.40 = 456,051.20 : x
  2. Step 2: Convert to fraction form
    1,402,649.60/2,103,974.40 = 456,051.20/x
  3. Step 3: Cross multiply
    1,402,649.60x = 2,103,974.40 × 456,051.20
  4. Step 4: Simplify right side
    1,402,649.60x = 959,520,049,889.28
  5. Step 5: Solve for x
    x = 959,520,049,889.28/1,402,649.60
  6. Step 6: Final answer
    x = 684,076.80

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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.