Home / 1,017,779.40-1,525,697.10-377,911.80

Finding the Fourth Proportional to 1,017,779.40, 1,525,697.10 and 377,911.80

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Solution

The fourth proportional to 1,017,779.40, 1,525,697.10 and 377,911.80 is: 566,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,779.40 : 1,525,697.10 = 377,911.80 : x
  2. Step 2: Convert to fraction form
    1,017,779.40/1,525,697.10 = 377,911.80/x
  3. Step 3: Cross multiply
    1,017,779.40x = 1,525,697.10 × 377,911.80
  4. Step 4: Simplify right side
    1,017,779.40x = 576,578,937,315.78
  5. Step 5: Solve for x
    x = 576,578,937,315.78/1,017,779.40
  6. Step 6: Final answer
    x = 566,506.79

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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.