Home / 1,132,814.70-1,695,285.45-778,520.70

Finding the Fourth Proportional to 1,132,814.70, 1,695,285.45 and 778,520.70

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Solution

The fourth proportional to 1,132,814.70, 1,695,285.45 and 778,520.70 is: 1,165,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,814.70 : 1,695,285.45 = 778,520.70 : x
  2. Step 2: Convert to fraction form
    1,132,814.70/1,695,285.45 = 778,520.70/x
  3. Step 3: Cross multiply
    1,132,814.70x = 1,695,285.45 × 778,520.70
  4. Step 4: Simplify right side
    1,132,814.70x = 1,319,814,815,233.82
  5. Step 5: Solve for x
    x = 1,319,814,815,233.82/1,132,814.70
  6. Step 6: Final answer
    x = 1,165,075.64

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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.