Home / 1,087,140.88-1,630,841.01-525,772

Finding the Fourth Proportional to 1,087,140.88, 1,630,841.01 and 525,772

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Solution

The fourth proportional to 1,087,140.88, 1,630,841.01 and 525,772 is: 788,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,140.88 : 1,630,841.01 = 525,772 : x
  2. Step 2: Convert to fraction form
    1,087,140.88/1,630,841.01 = 525,772/x
  3. Step 3: Cross multiply
    1,087,140.88x = 1,630,841.01 × 525,772
  4. Step 4: Simplify right side
    1,087,140.88x = 857,450,539,509.72
  5. Step 5: Solve for x
    x = 857,450,539,509.72/1,087,140.88
  6. Step 6: Final answer
    x = 788,720.72

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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.