Home / 1,127,337.30-1,687,069.35-788,789.70

Finding the Fourth Proportional to 1,127,337.30, 1,687,069.35 and 788,789.70

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Solution

The fourth proportional to 1,127,337.30, 1,687,069.35 and 788,789.70 is: 1,180,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,337.30 : 1,687,069.35 = 788,789.70 : x
  2. Step 2: Convert to fraction form
    1,127,337.30/1,687,069.35 = 788,789.70/x
  3. Step 3: Cross multiply
    1,127,337.30x = 1,687,069.35 × 788,789.70
  4. Step 4: Simplify right side
    1,127,337.30x = 1,330,742,926,465.70
  5. Step 5: Solve for x
    x = 1,330,742,926,465.70/1,127,337.30
  6. Step 6: Final answer
    x = 1,180,430.14

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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.