Home / 1,038,294.60-1,556,577.90-439,715.40

Finding the Fourth Proportional to 1,038,294.60, 1,556,577.90 and 439,715.40

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Solution

The fourth proportional to 1,038,294.60, 1,556,577.90 and 439,715.40 is: 659,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,294.60 : 1,556,577.90 = 439,715.40 : x
  2. Step 2: Convert to fraction form
    1,038,294.60/1,556,577.90 = 439,715.40/x
  3. Step 3: Cross multiply
    1,038,294.60x = 1,556,577.90 × 439,715.40
  4. Step 4: Simplify right side
    1,038,294.60x = 684,451,273,929.66
  5. Step 5: Solve for x
    x = 684,451,273,929.66/1,038,294.60
  6. Step 6: Final answer
    x = 659,207.20

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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.