Home / 1,556,763.32-2,148,284.63-912,612.53

Finding the Fourth Proportional to 1,556,763.32, 2,148,284.63 and 912,612.53

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Solution

The fourth proportional to 1,556,763.32, 2,148,284.63 and 912,612.53 is: 1,259,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,763.32 : 2,148,284.63 = 912,612.53 : x
  2. Step 2: Convert to fraction form
    1,556,763.32/2,148,284.63 = 912,612.53/x
  3. Step 3: Cross multiply
    1,556,763.32x = 2,148,284.63 × 912,612.53
  4. Step 4: Simplify right side
    1,556,763.32x = 1,960,551,462,884.52
  5. Step 5: Solve for x
    x = 1,960,551,462,884.52/1,556,763.32
  6. Step 6: Final answer
    x = 1,259,376.71

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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.