Home / 1,087,145.38-1,630,847.76-525,776.50

Finding the Fourth Proportional to 1,087,145.38, 1,630,847.76 and 525,776.50

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Solution

The fourth proportional to 1,087,145.38, 1,630,847.76 and 525,776.50 is: 788,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,145.38 : 1,630,847.76 = 525,776.50 : x
  2. Step 2: Convert to fraction form
    1,087,145.38/1,630,847.76 = 525,776.50/x
  3. Step 3: Cross multiply
    1,087,145.38x = 1,630,847.76 × 525,776.50
  4. Step 4: Simplify right side
    1,087,145.38x = 857,461,427,285.64
  5. Step 5: Solve for x
    x = 857,461,427,285.64/1,087,145.38
  6. Step 6: Final answer
    x = 788,727.47

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1.5x scale

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.