Home / 1,417,858.60-2,128,343.10-885,980.20

Finding the Fourth Proportional to 1,417,858.60, 2,128,343.10 and 885,980.20

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Solution

The fourth proportional to 1,417,858.60, 2,128,343.10 and 885,980.20 is: 1,329,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,858.60 : 2,128,343.10 = 885,980.20 : x
  2. Step 2: Convert to fraction form
    1,417,858.60/2,128,343.10 = 885,980.20/x
  3. Step 3: Cross multiply
    1,417,858.60x = 2,128,343.10 × 885,980.20
  4. Step 4: Simplify right side
    1,417,858.60x = 1,885,669,845,406.62
  5. Step 5: Solve for x
    x = 1,885,669,845,406.62/1,417,858.60
  6. Step 6: Final answer
    x = 1,329,942.10

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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.