Home / 1,087,038.80-1,630,051.96-403,449.58

Finding the Fourth Proportional to 1,087,038.80, 1,630,051.96 and 403,449.58

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Solution

The fourth proportional to 1,087,038.80, 1,630,051.96 and 403,449.58 is: 604,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,038.80 : 1,630,051.96 = 403,449.58 : x
  2. Step 2: Convert to fraction form
    1,087,038.80/1,630,051.96 = 403,449.58/x
  3. Step 3: Cross multiply
    1,087,038.80x = 1,630,051.96 × 403,449.58
  4. Step 4: Simplify right side
    1,087,038.80x = 657,643,778,640.18
  5. Step 5: Solve for x
    x = 657,643,778,640.18/1,087,038.80
  6. Step 6: Final answer
    x = 604,986.48

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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.