Home / 1,329,678.19-1,835,024.59-813,270.07

Finding the Fourth Proportional to 1,329,678.19, 1,835,024.59 and 813,270.07

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Solution

The fourth proportional to 1,329,678.19, 1,835,024.59 and 813,270.07 is: 1,122,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,678.19 : 1,835,024.59 = 813,270.07 : x
  2. Step 2: Convert to fraction form
    1,329,678.19/1,835,024.59 = 813,270.07/x
  3. Step 3: Cross multiply
    1,329,678.19x = 1,835,024.59 × 813,270.07
  4. Step 4: Simplify right side
    1,329,678.19x = 1,492,370,576,761.02
  5. Step 5: Solve for x
    x = 1,492,370,576,761.02/1,329,678.19
  6. Step 6: Final answer
    x = 1,122,354.71

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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.