Home / 1,420,062.90-2,130,113.18-473,433.94

Finding the Fourth Proportional to 1,420,062.90, 2,130,113.18 and 473,433.94

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Solution

The fourth proportional to 1,420,062.90, 2,130,113.18 and 473,433.94 is: 710,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,062.90 : 2,130,113.18 = 473,433.94 : x
  2. Step 2: Convert to fraction form
    1,420,062.90/2,130,113.18 = 473,433.94/x
  3. Step 3: Cross multiply
    1,420,062.90x = 2,130,113.18 × 473,433.94
  4. Step 4: Simplify right side
    1,420,062.90x = 1,008,467,875,453.33
  5. Step 5: Solve for x
    x = 1,008,467,875,453.33/1,420,062.90
  6. Step 6: Final answer
    x = 710,157.19

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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.