Home / 1,124,328.70-1,686,389.37-376,381.18

Finding the Fourth Proportional to 1,124,328.70, 1,686,389.37 and 376,381.18

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Solution

The fourth proportional to 1,124,328.70, 1,686,389.37 and 376,381.18 is: 564,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,328.70 : 1,686,389.37 = 376,381.18 : x
  2. Step 2: Convert to fraction form
    1,124,328.70/1,686,389.37 = 376,381.18/x
  3. Step 3: Cross multiply
    1,124,328.70x = 1,686,389.37 × 376,381.18
  4. Step 4: Simplify right side
    1,124,328.70x = 634,725,221,020.06
  5. Step 5: Solve for x
    x = 634,725,221,020.06/1,124,328.70
  6. Step 6: Final answer
    x = 564,537.06

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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.