Home / 1,319,510.94-1,820,731.50-738,703.89

Finding the Fourth Proportional to 1,319,510.94, 1,820,731.50 and 738,703.89

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Solution

The fourth proportional to 1,319,510.94, 1,820,731.50 and 738,703.89 is: 1,019,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,510.94 : 1,820,731.50 = 738,703.89 : x
  2. Step 2: Convert to fraction form
    1,319,510.94/1,820,731.50 = 738,703.89/x
  3. Step 3: Cross multiply
    1,319,510.94x = 1,820,731.50 × 738,703.89
  4. Step 4: Simplify right side
    1,319,510.94x = 1,344,981,441,695.53
  5. Step 5: Solve for x
    x = 1,344,981,441,695.53/1,319,510.94
  6. Step 6: Final answer
    x = 1,019,302.99

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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.