Home / 1,972,495.76-2,956,967.40-709,435.40

Finding the Fourth Proportional to 1,972,495.76, 2,956,967.40 and 709,435.40

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Solution

The fourth proportional to 1,972,495.76, 2,956,967.40 and 709,435.40 is: 1,063,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,495.76 : 2,956,967.40 = 709,435.40 : x
  2. Step 2: Convert to fraction form
    1,972,495.76/2,956,967.40 = 709,435.40/x
  3. Step 3: Cross multiply
    1,972,495.76x = 2,956,967.40 × 709,435.40
  4. Step 4: Simplify right side
    1,972,495.76x = 2,097,777,350,205.96
  5. Step 5: Solve for x
    x = 2,097,777,350,205.96/1,972,495.76
  6. Step 6: Final answer
    x = 1,063,514.25

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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.