Home / 1,427,085.53-2,139,427.86-668,527.01

Finding the Fourth Proportional to 1,427,085.53, 2,139,427.86 and 668,527.01

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Solution

The fourth proportional to 1,427,085.53, 2,139,427.86 and 668,527.01 is: 1,002,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,085.53 : 2,139,427.86 = 668,527.01 : x
  2. Step 2: Convert to fraction form
    1,427,085.53/2,139,427.86 = 668,527.01/x
  3. Step 3: Cross multiply
    1,427,085.53x = 2,139,427.86 × 668,527.01
  4. Step 4: Simplify right side
    1,427,085.53x = 1,430,265,299,659.36
  5. Step 5: Solve for x
    x = 1,430,265,299,659.36/1,427,085.53
  6. Step 6: Final answer
    x = 1,002,228.16

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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.