Home / 1,130,909.42-1,560,613.56-621,607.34

Finding the Fourth Proportional to 1,130,909.42, 1,560,613.56 and 621,607.34

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Solution

The fourth proportional to 1,130,909.42, 1,560,613.56 and 621,607.34 is: 857,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,909.42 : 1,560,613.56 = 621,607.34 : x
  2. Step 2: Convert to fraction form
    1,130,909.42/1,560,613.56 = 621,607.34/x
  3. Step 3: Cross multiply
    1,130,909.42x = 1,560,613.56 × 621,607.34
  4. Step 4: Simplify right side
    1,130,909.42x = 970,088,843,799.53
  5. Step 5: Solve for x
    x = 970,088,843,799.53/1,130,909.42
  6. Step 6: Final answer
    x = 857,795.35

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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.