Home / 1,100,780.04-1,519,509.06-738,071.76

Finding the Fourth Proportional to 1,100,780.04, 1,519,509.06 and 738,071.76

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Solution

The fourth proportional to 1,100,780.04, 1,519,509.06 and 738,071.76 is: 1,018,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,780.04 : 1,519,509.06 = 738,071.76 : x
  2. Step 2: Convert to fraction form
    1,100,780.04/1,519,509.06 = 738,071.76/x
  3. Step 3: Cross multiply
    1,100,780.04x = 1,519,509.06 × 738,071.76
  4. Step 4: Simplify right side
    1,100,780.04x = 1,121,506,726,250.15
  5. Step 5: Solve for x
    x = 1,121,506,726,250.15/1,100,780.04
  6. Step 6: Final answer
    x = 1,018,829.09

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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.