Home / 1,210,198.60-1,812,533.10-712,534.60

Finding the Fourth Proportional to 1,210,198.60, 1,812,533.10 and 712,534.60

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Solution

The fourth proportional to 1,210,198.60, 1,812,533.10 and 712,534.60 is: 1,067,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,198.60 : 1,812,533.10 = 712,534.60 : x
  2. Step 2: Convert to fraction form
    1,210,198.60/1,812,533.10 = 712,534.60/x
  3. Step 3: Cross multiply
    1,210,198.60x = 1,812,533.10 × 712,534.60
  4. Step 4: Simplify right side
    1,210,198.60x = 1,291,492,547,395.26
  5. Step 5: Solve for x
    x = 1,291,492,547,395.26/1,210,198.60
  6. Step 6: Final answer
    x = 1,067,174.06

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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.