Home / 876,692.60-1,314,941.70-718,645.40

Finding the Fourth Proportional to 876,692.60, 1,314,941.70 and 718,645.40

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Solution

The fourth proportional to 876,692.60, 1,314,941.70 and 718,645.40 is: 1,077,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,692.60 : 1,314,941.70 = 718,645.40 : x
  2. Step 2: Convert to fraction form
    876,692.60/1,314,941.70 = 718,645.40/x
  3. Step 3: Cross multiply
    876,692.60x = 1,314,941.70 × 718,645.40
  4. Step 4: Simplify right side
    876,692.60x = 944,976,803,973.18
  5. Step 5: Solve for x
    x = 944,976,803,973.18/876,692.60
  6. Step 6: Final answer
    x = 1,077,888.42

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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.