Home / 1,105,315.65-1,657,973.30-306,597.20

Finding the Fourth Proportional to 1,105,315.65, 1,657,973.30 and 306,597.20

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Solution

The fourth proportional to 1,105,315.65, 1,657,973.30 and 306,597.20 is: 459,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,315.65 : 1,657,973.30 = 306,597.20 : x
  2. Step 2: Convert to fraction form
    1,105,315.65/1,657,973.30 = 306,597.20/x
  3. Step 3: Cross multiply
    1,105,315.65x = 1,657,973.30 × 306,597.20
  4. Step 4: Simplify right side
    1,105,315.65x = 508,329,961,631.91
  5. Step 5: Solve for x
    x = 508,329,961,631.91/1,105,315.65
  6. Step 6: Final answer
    x = 459,895.74

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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.