Home / 1,087,255.23-1,630,756.13-288,598.83

Finding the Fourth Proportional to 1,087,255.23, 1,630,756.13 and 288,598.83

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Solution

The fourth proportional to 1,087,255.23, 1,630,756.13 and 288,598.83 is: 432,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,255.23 : 1,630,756.13 = 288,598.83 : x
  2. Step 2: Convert to fraction form
    1,087,255.23/1,630,756.13 = 288,598.83/x
  3. Step 3: Cross multiply
    1,087,255.23x = 1,630,756.13 × 288,598.83
  4. Step 4: Simplify right side
    1,087,255.23x = 470,634,309,690.33
  5. Step 5: Solve for x
    x = 470,634,309,690.33/1,087,255.23
  6. Step 6: Final answer
    x = 432,864.61

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Double scale
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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.