Home / 1,374,260.22-1,896,529.78-830,290.91

Finding the Fourth Proportional to 1,374,260.22, 1,896,529.78 and 830,290.91

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Solution

The fourth proportional to 1,374,260.22, 1,896,529.78 and 830,290.91 is: 1,145,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,260.22 : 1,896,529.78 = 830,290.91 : x
  2. Step 2: Convert to fraction form
    1,374,260.22/1,896,529.78 = 830,290.91/x
  3. Step 3: Cross multiply
    1,374,260.22x = 1,896,529.78 × 830,290.91
  4. Step 4: Simplify right side
    1,374,260.22x = 1,574,671,436,878.30
  5. Step 5: Solve for x
    x = 1,574,671,436,878.30/1,374,260.22
  6. Step 6: Final answer
    x = 1,145,832.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.