Home / 1,038,025.80-1,556,291.43-637,839.75

Finding the Fourth Proportional to 1,038,025.80, 1,556,291.43 and 637,839.75

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Solution

The fourth proportional to 1,038,025.80, 1,556,291.43 and 637,839.75 is: 956,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,025.80 : 1,556,291.43 = 637,839.75 : x
  2. Step 2: Convert to fraction form
    1,038,025.80/1,556,291.43 = 637,839.75/x
  3. Step 3: Cross multiply
    1,038,025.80x = 1,556,291.43 × 637,839.75
  4. Step 4: Simplify right side
    1,038,025.80x = 992,664,536,638.34
  5. Step 5: Solve for x
    x = 992,664,536,638.34/1,038,025.80
  6. Step 6: Final answer
    x = 956,300.45

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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.