Home / 1,020,692.25-1,531,259.64-310,701.75

Finding the Fourth Proportional to 1,020,692.25, 1,531,259.64 and 310,701.75

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Solution

The fourth proportional to 1,020,692.25, 1,531,259.64 and 310,701.75 is: 466,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,692.25 : 1,531,259.64 = 310,701.75 : x
  2. Step 2: Convert to fraction form
    1,020,692.25/1,531,259.64 = 310,701.75/x
  3. Step 3: Cross multiply
    1,020,692.25x = 1,531,259.64 × 310,701.75
  4. Step 4: Simplify right side
    1,020,692.25x = 475,765,049,852.37
  5. Step 5: Solve for x
    x = 475,765,049,852.37/1,020,692.25
  6. Step 6: Final answer
    x = 466,119.98

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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.