Home / 1,038,438.50-1,433,045.13-561,510.50

Finding the Fourth Proportional to 1,038,438.50, 1,433,045.13 and 561,510.50

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Solution

The fourth proportional to 1,038,438.50, 1,433,045.13 and 561,510.50 is: 774,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,438.50 : 1,433,045.13 = 561,510.50 : x
  2. Step 2: Convert to fraction form
    1,038,438.50/1,433,045.13 = 561,510.50/x
  3. Step 3: Cross multiply
    1,038,438.50x = 1,433,045.13 × 561,510.50
  4. Step 4: Simplify right side
    1,038,438.50x = 804,669,887,468.87
  5. Step 5: Solve for x
    x = 804,669,887,468.87/1,038,438.50
  6. Step 6: Final answer
    x = 774,884.49

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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.