Home / 909,151.40-1,363,726.96-863,692.20

Finding the Fourth Proportional to 909,151.40, 1,363,726.96 and 863,692.20

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Solution

The fourth proportional to 909,151.40, 1,363,726.96 and 863,692.20 is: 1,295,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,151.40 : 1,363,726.96 = 863,692.20 : x
  2. Step 2: Convert to fraction form
    909,151.40/1,363,726.96 = 863,692.20/x
  3. Step 3: Cross multiply
    909,151.40x = 1,363,726.96 × 863,692.20
  4. Step 4: Simplify right side
    909,151.40x = 1,177,840,338,281.71
  5. Step 5: Solve for x
    x = 1,177,840,338,281.71/909,151.40
  6. Step 6: Final answer
    x = 1,295,538.17

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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.