Home / 1,556,762.82-2,148,283.94-912,612.03

Finding the Fourth Proportional to 1,556,762.82, 2,148,283.94 and 912,612.03

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Solution

The fourth proportional to 1,556,762.82, 2,148,283.94 and 912,612.03 is: 1,259,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,762.82 : 2,148,283.94 = 912,612.03 : x
  2. Step 2: Convert to fraction form
    1,556,762.82/2,148,283.94 = 912,612.03/x
  3. Step 3: Cross multiply
    1,556,762.82x = 2,148,283.94 × 912,612.03
  4. Step 4: Simplify right side
    1,556,762.82x = 1,960,549,756,758.38
  5. Step 5: Solve for x
    x = 1,960,549,756,758.38/1,556,762.82
  6. Step 6: Final answer
    x = 1,259,376.02

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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.