Home / 1,249,563.96-1,724,429.88-766,395.51

Finding the Fourth Proportional to 1,249,563.96, 1,724,429.88 and 766,395.51

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Solution

The fourth proportional to 1,249,563.96, 1,724,429.88 and 766,395.51 is: 1,057,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,563.96 : 1,724,429.88 = 766,395.51 : x
  2. Step 2: Convert to fraction form
    1,249,563.96/1,724,429.88 = 766,395.51/x
  3. Step 3: Cross multiply
    1,249,563.96x = 1,724,429.88 × 766,395.51
  4. Step 4: Simplify right side
    1,249,563.96x = 1,321,595,317,341.84
  5. Step 5: Solve for x
    x = 1,321,595,317,341.84/1,249,563.96
  6. Step 6: Final answer
    x = 1,057,645.19

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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.