Home / 1,314,992.48-1,814,685.84-711,380

Finding the Fourth Proportional to 1,314,992.48, 1,814,685.84 and 711,380

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Solution

The fourth proportional to 1,314,992.48, 1,814,685.84 and 711,380 is: 981,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,992.48 : 1,814,685.84 = 711,380 : x
  2. Step 2: Convert to fraction form
    1,314,992.48/1,814,685.84 = 711,380/x
  3. Step 3: Cross multiply
    1,314,992.48x = 1,814,685.84 × 711,380
  4. Step 4: Simplify right side
    1,314,992.48x = 1,290,931,212,859.20
  5. Step 5: Solve for x
    x = 1,290,931,212,859.20/1,314,992.48
  6. Step 6: Final answer
    x = 981,702.35

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1.5x scale

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.