Home / 750,643.70-1,125,965.55-700,452.05

Finding the Fourth Proportional to 750,643.70, 1,125,965.55 and 700,452.05

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Solution

The fourth proportional to 750,643.70, 1,125,965.55 and 700,452.05 is: 1,050,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,643.70 : 1,125,965.55 = 700,452.05 : x
  2. Step 2: Convert to fraction form
    750,643.70/1,125,965.55 = 700,452.05/x
  3. Step 3: Cross multiply
    750,643.70x = 1,125,965.55 × 700,452.05
  4. Step 4: Simplify right side
    750,643.70x = 788,684,877,726.88
  5. Step 5: Solve for x
    x = 788,684,877,726.88/750,643.70
  6. Step 6: Final answer
    x = 1,050,678.08

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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.