Home / 1,747,311.34-2,621,341.20-989,510.98

Finding the Fourth Proportional to 1,747,311.34, 2,621,341.20 and 989,510.98

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Solution

The fourth proportional to 1,747,311.34, 2,621,341.20 and 989,510.98 is: 1,484,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,311.34 : 2,621,341.20 = 989,510.98 : x
  2. Step 2: Convert to fraction form
    1,747,311.34/2,621,341.20 = 989,510.98/x
  3. Step 3: Cross multiply
    1,747,311.34x = 2,621,341.20 × 989,510.98
  4. Step 4: Simplify right side
    1,747,311.34x = 2,593,845,899,726.38
  5. Step 5: Solve for x
    x = 2,593,845,899,726.38/1,747,311.34
  6. Step 6: Final answer
    x = 1,484,478.38

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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.