Home / 1,038,509.90-1,556,598.45-439,369.10

Finding the Fourth Proportional to 1,038,509.90, 1,556,598.45 and 439,369.10

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Solution

The fourth proportional to 1,038,509.90, 1,556,598.45 and 439,369.10 is: 658,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,509.90 : 1,556,598.45 = 439,369.10 : x
  2. Step 2: Convert to fraction form
    1,038,509.90/1,556,598.45 = 439,369.10/x
  3. Step 3: Cross multiply
    1,038,509.90x = 1,556,598.45 × 439,369.10
  4. Step 4: Simplify right side
    1,038,509.90x = 683,921,260,037.90
  5. Step 5: Solve for x
    x = 683,921,260,037.90/1,038,509.90
  6. Step 6: Final answer
    x = 658,560.17

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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.