Home / 1,210,327.40-1,811,991.90-1,175,335.40

Finding the Fourth Proportional to 1,210,327.40, 1,811,991.90 and 1,175,335.40

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Solution

The fourth proportional to 1,210,327.40, 1,811,991.90 and 1,175,335.40 is: 1,759,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,327.40 : 1,811,991.90 = 1,175,335.40 : x
  2. Step 2: Convert to fraction form
    1,210,327.40/1,811,991.90 = 1,175,335.40/x
  3. Step 3: Cross multiply
    1,210,327.40x = 1,811,991.90 × 1,175,335.40
  4. Step 4: Simplify right side
    1,210,327.40x = 2,129,698,224,583.26
  5. Step 5: Solve for x
    x = 2,129,698,224,583.26/1,210,327.40
  6. Step 6: Final answer
    x = 1,759,605.07

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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.