Home / 1,355,354.15-1,871,117.19-1,046,854.89

Finding the Fourth Proportional to 1,355,354.15, 1,871,117.19 and 1,046,854.89

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Solution

The fourth proportional to 1,355,354.15, 1,871,117.19 and 1,046,854.89 is: 1,445,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,354.15 : 1,871,117.19 = 1,046,854.89 : x
  2. Step 2: Convert to fraction form
    1,355,354.15/1,871,117.19 = 1,046,854.89/x
  3. Step 3: Cross multiply
    1,355,354.15x = 1,871,117.19 × 1,046,854.89
  4. Step 4: Simplify right side
    1,355,354.15x = 1,958,788,180,114.56
  5. Step 5: Solve for x
    x = 1,958,788,180,114.56/1,355,354.15
  6. Step 6: Final answer
    x = 1,445,222.41

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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.