Home / 1,087,159.27-1,630,549.35-288,521.56

Finding the Fourth Proportional to 1,087,159.27, 1,630,549.35 and 288,521.56

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Solution

The fourth proportional to 1,087,159.27, 1,630,549.35 and 288,521.56 is: 432,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,159.27 : 1,630,549.35 = 288,521.56 : x
  2. Step 2: Convert to fraction form
    1,087,159.27/1,630,549.35 = 288,521.56/x
  3. Step 3: Cross multiply
    1,087,159.27x = 1,630,549.35 × 288,521.56
  4. Step 4: Simplify right side
    1,087,159.27x = 470,448,642,118.99
  5. Step 5: Solve for x
    x = 470,448,642,118.99/1,087,159.27
  6. Step 6: Final answer
    x = 432,732.03

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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.