Home / 1,807,136.40-2,710,689.12-459,302.88

Finding the Fourth Proportional to 1,807,136.40, 2,710,689.12 and 459,302.88

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Solution

The fourth proportional to 1,807,136.40, 2,710,689.12 and 459,302.88 is: 688,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,136.40 : 2,710,689.12 = 459,302.88 : x
  2. Step 2: Convert to fraction form
    1,807,136.40/2,710,689.12 = 459,302.88/x
  3. Step 3: Cross multiply
    1,807,136.40x = 2,710,689.12 × 459,302.88
  4. Step 4: Simplify right side
    1,807,136.40x = 1,245,027,319,600.67
  5. Step 5: Solve for x
    x = 1,245,027,319,600.67/1,807,136.40
  6. Step 6: Final answer
    x = 688,950.39

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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.