Home / 1,484,619.40-2,226,929.10-738,123.40

Finding the Fourth Proportional to 1,484,619.40, 2,226,929.10 and 738,123.40

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Solution

The fourth proportional to 1,484,619.40, 2,226,929.10 and 738,123.40 is: 1,107,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,619.40 : 2,226,929.10 = 738,123.40 : x
  2. Step 2: Convert to fraction form
    1,484,619.40/2,226,929.10 = 738,123.40/x
  3. Step 3: Cross multiply
    1,484,619.40x = 2,226,929.10 × 738,123.40
  4. Step 4: Simplify right side
    1,484,619.40x = 1,643,748,478,850.94
  5. Step 5: Solve for x
    x = 1,643,748,478,850.94/1,484,619.40
  6. Step 6: Final answer
    x = 1,107,185.10

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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.