Home / 1,087,085.52-1,630,828.71-357,649.77

Finding the Fourth Proportional to 1,087,085.52, 1,630,828.71 and 357,649.77

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Solution

The fourth proportional to 1,087,085.52, 1,630,828.71 and 357,649.77 is: 536,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,085.52 : 1,630,828.71 = 357,649.77 : x
  2. Step 2: Convert to fraction form
    1,087,085.52/1,630,828.71 = 357,649.77/x
  3. Step 3: Cross multiply
    1,087,085.52x = 1,630,828.71 × 357,649.77
  4. Step 4: Simplify right side
    1,087,085.52x = 583,265,513,040.90
  5. Step 5: Solve for x
    x = 583,265,513,040.90/1,087,085.52
  6. Step 6: Final answer
    x = 536,540.60

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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.