Home / 1,139,315.36-1,572,265.69-630,026.24

Finding the Fourth Proportional to 1,139,315.36, 1,572,265.69 and 630,026.24

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Solution

The fourth proportional to 1,139,315.36, 1,572,265.69 and 630,026.24 is: 869,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,315.36 : 1,572,265.69 = 630,026.24 : x
  2. Step 2: Convert to fraction form
    1,139,315.36/1,572,265.69 = 630,026.24/x
  3. Step 3: Cross multiply
    1,139,315.36x = 1,572,265.69 × 630,026.24
  4. Step 4: Simplify right side
    1,139,315.36x = 990,568,631,515.31
  5. Step 5: Solve for x
    x = 990,568,631,515.31/1,139,315.36
  6. Step 6: Final answer
    x = 869,442.01

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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.