Home / 1,367,109.84-2,048,881.08-989,303.16

Finding the Fourth Proportional to 1,367,109.84, 2,048,881.08 and 989,303.16

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Solution

The fourth proportional to 1,367,109.84, 2,048,881.08 and 989,303.16 is: 1,482,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,109.84 : 2,048,881.08 = 989,303.16 : x
  2. Step 2: Convert to fraction form
    1,367,109.84/2,048,881.08 = 989,303.16/x
  3. Step 3: Cross multiply
    1,367,109.84x = 2,048,881.08 × 989,303.16
  4. Step 4: Simplify right side
    1,367,109.84x = 2,026,964,526,908.21
  5. Step 5: Solve for x
    x = 2,026,964,526,908.21/1,367,109.84
  6. Step 6: Final answer
    x = 1,482,663.99

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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.