Home / 1,738,297.40-2,604,335.70-1,421,036.60

Finding the Fourth Proportional to 1,738,297.40, 2,604,335.70 and 1,421,036.60

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Solution

The fourth proportional to 1,738,297.40, 2,604,335.70 and 1,421,036.60 is: 2,129,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,297.40 : 2,604,335.70 = 1,421,036.60 : x
  2. Step 2: Convert to fraction form
    1,738,297.40/2,604,335.70 = 1,421,036.60/x
  3. Step 3: Cross multiply
    1,738,297.40x = 2,604,335.70 × 1,421,036.60
  4. Step 4: Simplify right side
    1,738,297.40x = 3,700,856,348,386.62
  5. Step 5: Solve for x
    x = 3,700,856,348,386.62/1,738,297.40
  6. Step 6: Final answer
    x = 2,129,012.19

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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.