Home / 1,459,994.36-2,014,499.61-815,315.36

Finding the Fourth Proportional to 1,459,994.36, 2,014,499.61 and 815,315.36

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Solution

The fourth proportional to 1,459,994.36, 2,014,499.61 and 815,315.36 is: 1,124,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,994.36 : 2,014,499.61 = 815,315.36 : x
  2. Step 2: Convert to fraction form
    1,459,994.36/2,014,499.61 = 815,315.36/x
  3. Step 3: Cross multiply
    1,459,994.36x = 2,014,499.61 × 815,315.36
  4. Step 4: Simplify right side
    1,459,994.36x = 1,642,452,464,674.51
  5. Step 5: Solve for x
    x = 1,642,452,464,674.51/1,459,994.36
  6. Step 6: Final answer
    x = 1,124,971.79

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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.