Home / 1,249,416.86-1,872,162.92-965,802.38

Finding the Fourth Proportional to 1,249,416.86, 1,872,162.92 and 965,802.38

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Solution

The fourth proportional to 1,249,416.86, 1,872,162.92 and 965,802.38 is: 1,447,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,416.86 : 1,872,162.92 = 965,802.38 : x
  2. Step 2: Convert to fraction form
    1,249,416.86/1,872,162.92 = 965,802.38/x
  3. Step 3: Cross multiply
    1,249,416.86x = 1,872,162.92 × 965,802.38
  4. Step 4: Simplify right side
    1,249,416.86x = 1,808,139,403,883.75
  5. Step 5: Solve for x
    x = 1,808,139,403,883.75/1,249,416.86
  6. Step 6: Final answer
    x = 1,447,186.65

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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.