Home / 1,213,424.10-1,820,136.15-977,228.10

Finding the Fourth Proportional to 1,213,424.10, 1,820,136.15 and 977,228.10

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Solution

The fourth proportional to 1,213,424.10, 1,820,136.15 and 977,228.10 is: 1,465,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,424.10 : 1,820,136.15 = 977,228.10 : x
  2. Step 2: Convert to fraction form
    1,213,424.10/1,820,136.15 = 977,228.10/x
  3. Step 3: Cross multiply
    1,213,424.10x = 1,820,136.15 × 977,228.10
  4. Step 4: Simplify right side
    1,213,424.10x = 1,778,688,191,605.82
  5. Step 5: Solve for x
    x = 1,778,688,191,605.82/1,213,424.10
  6. Step 6: Final answer
    x = 1,465,842.15

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Similar ratio
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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.