Home / 1,007,114.40-1,507,561.20-585,136.80

Finding the Fourth Proportional to 1,007,114.40, 1,507,561.20 and 585,136.80

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Solution

The fourth proportional to 1,007,114.40, 1,507,561.20 and 585,136.80 is: 875,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,114.40 : 1,507,561.20 = 585,136.80 : x
  2. Step 2: Convert to fraction form
    1,007,114.40/1,507,561.20 = 585,136.80/x
  3. Step 3: Cross multiply
    1,007,114.40x = 1,507,561.20 × 585,136.80
  4. Step 4: Simplify right side
    1,007,114.40x = 882,129,536,372.16
  5. Step 5: Solve for x
    x = 882,129,536,372.16/1,007,114.40
  6. Step 6: Final answer
    x = 875,898.05

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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.