Home / 1,604,328.30-2,406,492.45-1,289,400.30

Finding the Fourth Proportional to 1,604,328.30, 2,406,492.45 and 1,289,400.30

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Solution

The fourth proportional to 1,604,328.30, 2,406,492.45 and 1,289,400.30 is: 1,934,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,328.30 : 2,406,492.45 = 1,289,400.30 : x
  2. Step 2: Convert to fraction form
    1,604,328.30/2,406,492.45 = 1,289,400.30/x
  3. Step 3: Cross multiply
    1,604,328.30x = 2,406,492.45 × 1,289,400.30
  4. Step 4: Simplify right side
    1,604,328.30x = 3,102,932,086,977.74
  5. Step 5: Solve for x
    x = 3,102,932,086,977.74/1,604,328.30
  6. Step 6: Final answer
    x = 1,934,100.45

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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.