Home / 1,038,489.30-1,557,733.95-637,830.90

Finding the Fourth Proportional to 1,038,489.30, 1,557,733.95 and 637,830.90

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Solution

The fourth proportional to 1,038,489.30, 1,557,733.95 and 637,830.90 is: 956,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,489.30 : 1,557,733.95 = 637,830.90 : x
  2. Step 2: Convert to fraction form
    1,038,489.30/1,557,733.95 = 637,830.90/x
  3. Step 3: Cross multiply
    1,038,489.30x = 1,557,733.95 × 637,830.90
  4. Step 4: Simplify right side
    1,038,489.30x = 993,570,847,289.06
  5. Step 5: Solve for x
    x = 993,570,847,289.06/1,038,489.30
  6. Step 6: Final answer
    x = 956,746.35

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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.