Home / 1,490,807.80-2,236,211.70-493,535.80

Finding the Fourth Proportional to 1,490,807.80, 2,236,211.70 and 493,535.80

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Solution

The fourth proportional to 1,490,807.80, 2,236,211.70 and 493,535.80 is: 740,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,807.80 : 2,236,211.70 = 493,535.80 : x
  2. Step 2: Convert to fraction form
    1,490,807.80/2,236,211.70 = 493,535.80/x
  3. Step 3: Cross multiply
    1,490,807.80x = 2,236,211.70 × 493,535.80
  4. Step 4: Simplify right side
    1,490,807.80x = 1,103,650,530,328.86
  5. Step 5: Solve for x
    x = 1,103,650,530,328.86/1,490,807.80
  6. Step 6: Final answer
    x = 740,303.70

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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.