Home / 1,005,603.99-1,387,704.30-570,061.74

Finding the Fourth Proportional to 1,005,603.99, 1,387,704.30 and 570,061.74

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Solution

The fourth proportional to 1,005,603.99, 1,387,704.30 and 570,061.74 is: 786,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,603.99 : 1,387,704.30 = 570,061.74 : x
  2. Step 2: Convert to fraction form
    1,005,603.99/1,387,704.30 = 570,061.74/x
  3. Step 3: Cross multiply
    1,005,603.99x = 1,387,704.30 × 570,061.74
  4. Step 4: Simplify right side
    1,005,603.99x = 791,077,124,394.22
  5. Step 5: Solve for x
    x = 791,077,124,394.22/1,005,603.99
  6. Step 6: Final answer
    x = 786,668.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.