Home / 1,038,497.30-1,557,745.95-637,838.90

Finding the Fourth Proportional to 1,038,497.30, 1,557,745.95 and 637,838.90

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Solution

The fourth proportional to 1,038,497.30, 1,557,745.95 and 637,838.90 is: 956,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,497.30 : 1,557,745.95 = 637,838.90 : x
  2. Step 2: Convert to fraction form
    1,038,497.30/1,557,745.95 = 637,838.90/x
  3. Step 3: Cross multiply
    1,038,497.30x = 1,557,745.95 × 637,838.90
  4. Step 4: Simplify right side
    1,038,497.30x = 993,590,963,227.46
  5. Step 5: Solve for x
    x = 993,590,963,227.46/1,038,497.30
  6. Step 6: Final answer
    x = 956,758.35

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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.