Home / 1,069,690.80-1,475,322.88-909,077.52

Finding the Fourth Proportional to 1,069,690.80, 1,475,322.88 and 909,077.52

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Solution

The fourth proportional to 1,069,690.80, 1,475,322.88 and 909,077.52 is: 1,253,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,690.80 : 1,475,322.88 = 909,077.52 : x
  2. Step 2: Convert to fraction form
    1,069,690.80/1,475,322.88 = 909,077.52/x
  3. Step 3: Cross multiply
    1,069,690.80x = 1,475,322.88 × 909,077.52
  4. Step 4: Simplify right side
    1,069,690.80x = 1,341,182,864,949.66
  5. Step 5: Solve for x
    x = 1,341,182,864,949.66/1,069,690.80
  6. Step 6: Final answer
    x = 1,253,804.24

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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.