Home / 1,548,931.21-2,137,509.61-860,588.15

Finding the Fourth Proportional to 1,548,931.21, 2,137,509.61 and 860,588.15

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Solution

The fourth proportional to 1,548,931.21, 2,137,509.61 and 860,588.15 is: 1,187,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,931.21 : 2,137,509.61 = 860,588.15 : x
  2. Step 2: Convert to fraction form
    1,548,931.21/2,137,509.61 = 860,588.15/x
  3. Step 3: Cross multiply
    1,548,931.21x = 2,137,509.61 × 860,588.15
  4. Step 4: Simplify right side
    1,548,931.21x = 1,839,515,428,038.10
  5. Step 5: Solve for x
    x = 1,839,515,428,038.10/1,548,931.21
  6. Step 6: Final answer
    x = 1,187,603.05

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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.