Home / 1,289,473.04-1,779,437.44-716,498.48

Finding the Fourth Proportional to 1,289,473.04, 1,779,437.44 and 716,498.48

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Solution

The fourth proportional to 1,289,473.04, 1,779,437.44 and 716,498.48 is: 988,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,473.04 : 1,779,437.44 = 716,498.48 : x
  2. Step 2: Convert to fraction form
    1,289,473.04/1,779,437.44 = 716,498.48/x
  3. Step 3: Cross multiply
    1,289,473.04x = 1,779,437.44 × 716,498.48
  4. Step 4: Simplify right side
    1,289,473.04x = 1,274,964,221,015.09
  5. Step 5: Solve for x
    x = 1,274,964,221,015.09/1,289,473.04
  6. Step 6: Final answer
    x = 988,748.26

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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.