Home / 1,005,136.85-1,507,778.18-604,915.85

Finding the Fourth Proportional to 1,005,136.85, 1,507,778.18 and 604,915.85

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Solution

The fourth proportional to 1,005,136.85, 1,507,778.18 and 604,915.85 is: 907,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,136.85 : 1,507,778.18 = 604,915.85 : x
  2. Step 2: Convert to fraction form
    1,005,136.85/1,507,778.18 = 604,915.85/x
  3. Step 3: Cross multiply
    1,005,136.85x = 1,507,778.18 × 604,915.85
  4. Step 4: Simplify right side
    1,005,136.85x = 912,078,916,341.57
  5. Step 5: Solve for x
    x = 912,078,916,341.57/1,005,136.85
  6. Step 6: Final answer
    x = 907,417.65

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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.