Home / 1,249,128.80-1,723,798.16-676,167.20

Finding the Fourth Proportional to 1,249,128.80, 1,723,798.16 and 676,167.20

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Solution

The fourth proportional to 1,249,128.80, 1,723,798.16 and 676,167.20 is: 933,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,128.80 : 1,723,798.16 = 676,167.20 : x
  2. Step 2: Convert to fraction form
    1,249,128.80/1,723,798.16 = 676,167.20/x
  3. Step 3: Cross multiply
    1,249,128.80x = 1,723,798.16 × 676,167.20
  4. Step 4: Simplify right side
    1,249,128.80x = 1,165,575,775,212.35
  5. Step 5: Solve for x
    x = 1,165,575,775,212.35/1,249,128.80
  6. Step 6: Final answer
    x = 933,110.96

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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.