Home / 832,845.13-1,249,765.40-765,086.40

Finding the Fourth Proportional to 832,845.13, 1,249,765.40 and 765,086.40

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Solution

The fourth proportional to 832,845.13, 1,249,765.40 and 765,086.40 is: 1,148,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,845.13 : 1,249,765.40 = 765,086.40 : x
  2. Step 2: Convert to fraction form
    832,845.13/1,249,765.40 = 765,086.40/x
  3. Step 3: Cross multiply
    832,845.13x = 1,249,765.40 × 765,086.40
  4. Step 4: Simplify right side
    832,845.13x = 956,178,506,905.13
  5. Step 5: Solve for x
    x = 956,178,506,905.13/832,845.13
  6. Step 6: Final answer
    x = 1,148,086.81

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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.