Home / 1,490,583.20-2,056,937.04-811,518.24

Finding the Fourth Proportional to 1,490,583.20, 2,056,937.04 and 811,518.24

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Solution

The fourth proportional to 1,490,583.20, 2,056,937.04 and 811,518.24 is: 1,119,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,583.20 : 2,056,937.04 = 811,518.24 : x
  2. Step 2: Convert to fraction form
    1,490,583.20/2,056,937.04 = 811,518.24/x
  3. Step 3: Cross multiply
    1,490,583.20x = 2,056,937.04 × 811,518.24
  4. Step 4: Simplify right side
    1,490,583.20x = 1,669,241,926,491.61
  5. Step 5: Solve for x
    x = 1,669,241,926,491.61/1,490,583.20
  6. Step 6: Final answer
    x = 1,119,858.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.