Home / 1,010,907.20-1,393,914.56-826,570.64

Finding the Fourth Proportional to 1,010,907.20, 1,393,914.56 and 826,570.64

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Solution

The fourth proportional to 1,010,907.20, 1,393,914.56 and 826,570.64 is: 1,139,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,907.20 : 1,393,914.56 = 826,570.64 : x
  2. Step 2: Convert to fraction form
    1,010,907.20/1,393,914.56 = 826,570.64/x
  3. Step 3: Cross multiply
    1,010,907.20x = 1,393,914.56 × 826,570.64
  4. Step 4: Simplify right side
    1,010,907.20x = 1,152,168,849,964.52
  5. Step 5: Solve for x
    x = 1,152,168,849,964.52/1,010,907.20
  6. Step 6: Final answer
    x = 1,139,737.51

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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.