Home / 1,038,366.90-1,556,675.55-539,730.90

Finding the Fourth Proportional to 1,038,366.90, 1,556,675.55 and 539,730.90

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Solution

The fourth proportional to 1,038,366.90, 1,556,675.55 and 539,730.90 is: 809,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,366.90 : 1,556,675.55 = 539,730.90 : x
  2. Step 2: Convert to fraction form
    1,038,366.90/1,556,675.55 = 539,730.90/x
  3. Step 3: Cross multiply
    1,038,366.90x = 1,556,675.55 × 539,730.90
  4. Step 4: Simplify right side
    1,038,366.90x = 840,185,895,609.50
  5. Step 5: Solve for x
    x = 840,185,895,609.50/1,038,366.90
  6. Step 6: Final answer
    x = 809,141.64

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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.