Home / 1,118,001.10-1,543,800.47-1,081,848.59

Finding the Fourth Proportional to 1,118,001.10, 1,543,800.47 and 1,081,848.59

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Solution

The fourth proportional to 1,118,001.10, 1,543,800.47 and 1,081,848.59 is: 1,493,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,001.10 : 1,543,800.47 = 1,081,848.59 : x
  2. Step 2: Convert to fraction form
    1,118,001.10/1,543,800.47 = 1,081,848.59/x
  3. Step 3: Cross multiply
    1,118,001.10x = 1,543,800.47 × 1,081,848.59
  4. Step 4: Simplify right side
    1,118,001.10x = 1,670,158,357,961.51
  5. Step 5: Solve for x
    x = 1,670,158,357,961.51/1,118,001.10
  6. Step 6: Final answer
    x = 1,493,878.99

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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.