Home / 1,385,970-1,912,638.60-750,066

Finding the Fourth Proportional to 1,385,970, 1,912,638.60 and 750,066

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Solution

The fourth proportional to 1,385,970, 1,912,638.60 and 750,066 is: 1,035,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,970 : 1,912,638.60 = 750,066 : x
  2. Step 2: Convert to fraction form
    1,385,970/1,912,638.60 = 750,066/x
  3. Step 3: Cross multiply
    1,385,970x = 1,912,638.60 × 750,066
  4. Step 4: Simplify right side
    1,385,970x = 1,434,605,184,147.60
  5. Step 5: Solve for x
    x = 1,434,605,184,147.60/1,385,970
  6. Step 6: Final answer
    x = 1,035,091.08

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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.