Home / 1,390,675.64-2,086,612.90-750,852.38

Finding the Fourth Proportional to 1,390,675.64, 2,086,612.90 and 750,852.38

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Solution

The fourth proportional to 1,390,675.64, 2,086,612.90 and 750,852.38 is: 1,126,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,675.64 : 2,086,612.90 = 750,852.38 : x
  2. Step 2: Convert to fraction form
    1,390,675.64/2,086,612.90 = 750,852.38/x
  3. Step 3: Cross multiply
    1,390,675.64x = 2,086,612.90 × 750,852.38
  4. Step 4: Simplify right side
    1,390,675.64x = 1,566,738,269,666.65
  5. Step 5: Solve for x
    x = 1,566,738,269,666.65/1,390,675.64
  6. Step 6: Final answer
    x = 1,126,602.23

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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.