Home / 1,307,101.60-1,803,271.20-822,812.32

Finding the Fourth Proportional to 1,307,101.60, 1,803,271.20 and 822,812.32

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Solution

The fourth proportional to 1,307,101.60, 1,803,271.20 and 822,812.32 is: 1,135,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,101.60 : 1,803,271.20 = 822,812.32 : x
  2. Step 2: Convert to fraction form
    1,307,101.60/1,803,271.20 = 822,812.32/x
  3. Step 3: Cross multiply
    1,307,101.60x = 1,803,271.20 × 822,812.32
  4. Step 4: Simplify right side
    1,307,101.60x = 1,483,753,759,661.18
  5. Step 5: Solve for x
    x = 1,483,753,759,661.18/1,307,101.60
  6. Step 6: Final answer
    x = 1,135,147.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.