Home / 1,225,280.30-1,835,296.05-1,015,328.30

Finding the Fourth Proportional to 1,225,280.30, 1,835,296.05 and 1,015,328.30

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Solution

The fourth proportional to 1,225,280.30, 1,835,296.05 and 1,015,328.30 is: 1,520,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,280.30 : 1,835,296.05 = 1,015,328.30 : x
  2. Step 2: Convert to fraction form
    1,225,280.30/1,835,296.05 = 1,015,328.30/x
  3. Step 3: Cross multiply
    1,225,280.30x = 1,835,296.05 × 1,015,328.30
  4. Step 4: Simplify right side
    1,225,280.30x = 1,863,428,018,443.22
  5. Step 5: Solve for x
    x = 1,863,428,018,443.22/1,225,280.30
  6. Step 6: Final answer
    x = 1,520,817.74

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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.