Home / 1,143,038.70-1,715,585.94-611,014.50

Finding the Fourth Proportional to 1,143,038.70, 1,715,585.94 and 611,014.50

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Solution

The fourth proportional to 1,143,038.70, 1,715,585.94 and 611,014.50 is: 917,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,038.70 : 1,715,585.94 = 611,014.50 : x
  2. Step 2: Convert to fraction form
    1,143,038.70/1,715,585.94 = 611,014.50/x
  3. Step 3: Cross multiply
    1,143,038.70x = 1,715,585.94 × 611,014.50
  4. Step 4: Simplify right side
    1,143,038.70x = 1,048,247,885,336.13
  5. Step 5: Solve for x
    x = 1,048,247,885,336.13/1,143,038.70
  6. Step 6: Final answer
    x = 917,071.21

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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.