Home / 1,015,301.40-1,401,115.50-607,420.50

Finding the Fourth Proportional to 1,015,301.40, 1,401,115.50 and 607,420.50

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Solution

The fourth proportional to 1,015,301.40, 1,401,115.50 and 607,420.50 is: 838,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,301.40 : 1,401,115.50 = 607,420.50 : x
  2. Step 2: Convert to fraction form
    1,015,301.40/1,401,115.50 = 607,420.50/x
  3. Step 3: Cross multiply
    1,015,301.40x = 1,401,115.50 × 607,420.50
  4. Step 4: Simplify right side
    1,015,301.40x = 851,066,277,567.75
  5. Step 5: Solve for x
    x = 851,066,277,567.75/1,015,301.40
  6. Step 6: Final answer
    x = 838,240.03

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1.5x scale

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.