Home / 1,751,742.18-2,417,487.03-987,779.34

Finding the Fourth Proportional to 1,751,742.18, 2,417,487.03 and 987,779.34

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Solution

The fourth proportional to 1,751,742.18, 2,417,487.03 and 987,779.34 is: 1,363,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,742.18 : 2,417,487.03 = 987,779.34 : x
  2. Step 2: Convert to fraction form
    1,751,742.18/2,417,487.03 = 987,779.34/x
  3. Step 3: Cross multiply
    1,751,742.18x = 2,417,487.03 × 987,779.34
  4. Step 4: Simplify right side
    1,751,742.18x = 2,387,943,742,951.96
  5. Step 5: Solve for x
    x = 2,387,943,742,951.96/1,751,742.18
  6. Step 6: Final answer
    x = 1,363,182.19

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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.