Home / 1,371,671.29-2,060,669.18-1,314,985.21

Finding the Fourth Proportional to 1,371,671.29, 2,060,669.18 and 1,314,985.21

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Solution

The fourth proportional to 1,371,671.29, 2,060,669.18 and 1,314,985.21 is: 1,975,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,671.29 : 2,060,669.18 = 1,314,985.21 : x
  2. Step 2: Convert to fraction form
    1,371,671.29/2,060,669.18 = 1,314,985.21/x
  3. Step 3: Cross multiply
    1,371,671.29x = 2,060,669.18 × 1,314,985.21
  4. Step 4: Simplify right side
    1,371,671.29x = 2,709,749,487,827.90
  5. Step 5: Solve for x
    x = 2,709,749,487,827.90/1,371,671.29
  6. Step 6: Final answer
    x = 1,975,509.37

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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.