Home / 1,357,363.79-2,032,944.80-647,890.05

Finding the Fourth Proportional to 1,357,363.79, 2,032,944.80 and 647,890.05

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Solution

The fourth proportional to 1,357,363.79, 2,032,944.80 and 647,890.05 is: 970,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,363.79 : 2,032,944.80 = 647,890.05 : x
  2. Step 2: Convert to fraction form
    1,357,363.79/2,032,944.80 = 647,890.05/x
  3. Step 3: Cross multiply
    1,357,363.79x = 2,032,944.80 × 647,890.05
  4. Step 4: Simplify right side
    1,357,363.79x = 1,317,124,704,879.79
  5. Step 5: Solve for x
    x = 1,317,124,704,879.79/1,357,363.79
  6. Step 6: Final answer
    x = 970,354.98

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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.