Home / 1,315,570.16-1,973,355.31-318,298.16

Finding the Fourth Proportional to 1,315,570.16, 1,973,355.31 and 318,298.16

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Solution

The fourth proportional to 1,315,570.16, 1,973,355.31 and 318,298.16 is: 477,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,570.16 : 1,973,355.31 = 318,298.16 : x
  2. Step 2: Convert to fraction form
    1,315,570.16/1,973,355.31 = 318,298.16/x
  3. Step 3: Cross multiply
    1,315,570.16x = 1,973,355.31 × 318,298.16
  4. Step 4: Simplify right side
    1,315,570.16x = 628,115,360,061.59
  5. Step 5: Solve for x
    x = 628,115,360,061.59/1,315,570.16
  6. Step 6: Final answer
    x = 477,447.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.