Home / 1,210,170.60-1,812,491.10-712,506.60

Finding the Fourth Proportional to 1,210,170.60, 1,812,491.10 and 712,506.60

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Solution

The fourth proportional to 1,210,170.60, 1,812,491.10 and 712,506.60 is: 1,067,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,170.60 : 1,812,491.10 = 712,506.60 : x
  2. Step 2: Convert to fraction form
    1,210,170.60/1,812,491.10 = 712,506.60/x
  3. Step 3: Cross multiply
    1,210,170.60x = 1,812,491.10 × 712,506.60
  4. Step 4: Simplify right side
    1,210,170.60x = 1,291,411,871,191.26
  5. Step 5: Solve for x
    x = 1,291,411,871,191.26/1,210,170.60
  6. Step 6: Final answer
    x = 1,067,132.08

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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.