Home / 1,020,745.80-1,531,118.70-310,772.70

Finding the Fourth Proportional to 1,020,745.80, 1,531,118.70 and 310,772.70

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Solution

The fourth proportional to 1,020,745.80, 1,531,118.70 and 310,772.70 is: 466,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,745.80 : 1,531,118.70 = 310,772.70 : x
  2. Step 2: Convert to fraction form
    1,020,745.80/1,531,118.70 = 310,772.70/x
  3. Step 3: Cross multiply
    1,020,745.80x = 1,531,118.70 × 310,772.70
  4. Step 4: Simplify right side
    1,020,745.80x = 475,829,892,419.49
  5. Step 5: Solve for x
    x = 475,829,892,419.49/1,020,745.80
  6. Step 6: Final answer
    x = 466,159.05

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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.