Home / 1,565,009.40-2,349,263.70-1,211,590.20

Finding the Fourth Proportional to 1,565,009.40, 2,349,263.70 and 1,211,590.20

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Solution

The fourth proportional to 1,565,009.40, 2,349,263.70 and 1,211,590.20 is: 1,818,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,009.40 : 2,349,263.70 = 1,211,590.20 : x
  2. Step 2: Convert to fraction form
    1,565,009.40/2,349,263.70 = 1,211,590.20/x
  3. Step 3: Cross multiply
    1,565,009.40x = 2,349,263.70 × 1,211,590.20
  4. Step 4: Simplify right side
    1,565,009.40x = 2,846,344,876,135.74
  5. Step 5: Solve for x
    x = 2,846,344,876,135.74/1,565,009.40
  6. Step 6: Final answer
    x = 1,818,739.80

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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.