Home / 1,577,021.40-2,362,032.90-629,904.60

Finding the Fourth Proportional to 1,577,021.40, 2,362,032.90 and 629,904.60

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Solution

The fourth proportional to 1,577,021.40, 2,362,032.90 and 629,904.60 is: 943,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,021.40 : 2,362,032.90 = 629,904.60 : x
  2. Step 2: Convert to fraction form
    1,577,021.40/2,362,032.90 = 629,904.60/x
  3. Step 3: Cross multiply
    1,577,021.40x = 2,362,032.90 × 629,904.60
  4. Step 4: Simplify right side
    1,577,021.40x = 1,487,855,389,061.34
  5. Step 5: Solve for x
    x = 1,487,855,389,061.34/1,577,021.40
  6. Step 6: Final answer
    x = 943,459.23

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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.