Home / 1,575,065.40-2,359,098.90-1,295,129.40

Finding the Fourth Proportional to 1,575,065.40, 2,359,098.90 and 1,295,129.40

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Solution

The fourth proportional to 1,575,065.40, 2,359,098.90 and 1,295,129.40 is: 1,939,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,065.40 : 2,359,098.90 = 1,295,129.40 : x
  2. Step 2: Convert to fraction form
    1,575,065.40/2,359,098.90 = 1,295,129.40/x
  3. Step 3: Cross multiply
    1,575,065.40x = 2,359,098.90 × 1,295,129.40
  4. Step 4: Simplify right side
    1,575,065.40x = 3,055,338,342,897.66
  5. Step 5: Solve for x
    x = 3,055,338,342,897.66/1,575,065.40
  6. Step 6: Final answer
    x = 1,939,816.81

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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.