Home / 1,563,480.40-2,345,624.94-915,603.76

Finding the Fourth Proportional to 1,563,480.40, 2,345,624.94 and 915,603.76

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Solution

The fourth proportional to 1,563,480.40, 2,345,624.94 and 915,603.76 is: 1,373,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,480.40 : 2,345,624.94 = 915,603.76 : x
  2. Step 2: Convert to fraction form
    1,563,480.40/2,345,624.94 = 915,603.76/x
  3. Step 3: Cross multiply
    1,563,480.40x = 2,345,624.94 × 915,603.76
  4. Step 4: Simplify right side
    1,563,480.40x = 2,147,663,014,613.77
  5. Step 5: Solve for x
    x = 2,147,663,014,613.77/1,563,480.40
  6. Step 6: Final answer
    x = 1,373,642.43

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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.