Home / 1,492,639.80-2,059,838.04-813,576.28

Finding the Fourth Proportional to 1,492,639.80, 2,059,838.04 and 813,576.28

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Solution

The fourth proportional to 1,492,639.80, 2,059,838.04 and 813,576.28 is: 1,122,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,639.80 : 2,059,838.04 = 813,576.28 : x
  2. Step 2: Convert to fraction form
    1,492,639.80/2,059,838.04 = 813,576.28/x
  3. Step 3: Cross multiply
    1,492,639.80x = 2,059,838.04 × 813,576.28
  4. Step 4: Simplify right side
    1,492,639.80x = 1,675,835,369,985.69
  5. Step 5: Solve for x
    x = 1,675,835,369,985.69/1,492,639.80
  6. Step 6: Final answer
    x = 1,122,732.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.