Home / 1,406,954.63-2,110,432.75-988,100.39

Finding the Fourth Proportional to 1,406,954.63, 2,110,432.75 and 988,100.39

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Solution

The fourth proportional to 1,406,954.63, 2,110,432.75 and 988,100.39 is: 1,482,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,954.63 : 2,110,432.75 = 988,100.39 : x
  2. Step 2: Convert to fraction form
    1,406,954.63/2,110,432.75 = 988,100.39/x
  3. Step 3: Cross multiply
    1,406,954.63x = 2,110,432.75 × 988,100.39
  4. Step 4: Simplify right side
    1,406,954.63x = 2,085,319,423,343.77
  5. Step 5: Solve for x
    x = 2,085,319,423,343.77/1,406,954.63
  6. Step 6: Final answer
    x = 1,482,151.15

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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.