Home / 1,078,692.66-1,488,680.02-619,967.37

Finding the Fourth Proportional to 1,078,692.66, 1,488,680.02 and 619,967.37

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Solution

The fourth proportional to 1,078,692.66, 1,488,680.02 and 619,967.37 is: 855,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,692.66 : 1,488,680.02 = 619,967.37 : x
  2. Step 2: Convert to fraction form
    1,078,692.66/1,488,680.02 = 619,967.37/x
  3. Step 3: Cross multiply
    1,078,692.66x = 1,488,680.02 × 619,967.37
  4. Step 4: Simplify right side
    1,078,692.66x = 922,933,031,267.32
  5. Step 5: Solve for x
    x = 922,933,031,267.32/1,078,692.66
  6. Step 6: Final answer
    x = 855,603.33

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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.