Home / 1,038,339.40-1,556,634.30-539,703.40

Finding the Fourth Proportional to 1,038,339.40, 1,556,634.30 and 539,703.40

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Solution

The fourth proportional to 1,038,339.40, 1,556,634.30 and 539,703.40 is: 809,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,339.40 : 1,556,634.30 = 539,703.40 : x
  2. Step 2: Convert to fraction form
    1,038,339.40/1,556,634.30 = 539,703.40/x
  3. Step 3: Cross multiply
    1,038,339.40x = 1,556,634.30 × 539,703.40
  4. Step 4: Simplify right side
    1,038,339.40x = 840,120,824,266.62
  5. Step 5: Solve for x
    x = 840,120,824,266.62/1,038,339.40
  6. Step 6: Final answer
    x = 809,100.40

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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.