Home / 1,283,790.36-1,925,873.33-385,303.17

Finding the Fourth Proportional to 1,283,790.36, 1,925,873.33 and 385,303.17

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Solution

The fourth proportional to 1,283,790.36, 1,925,873.33 and 385,303.17 is: 578,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,790.36 : 1,925,873.33 = 385,303.17 : x
  2. Step 2: Convert to fraction form
    1,283,790.36/1,925,873.33 = 385,303.17/x
  3. Step 3: Cross multiply
    1,283,790.36x = 1,925,873.33 × 385,303.17
  4. Step 4: Simplify right side
    1,283,790.36x = 742,045,097,140.94
  5. Step 5: Solve for x
    x = 742,045,097,140.94/1,283,790.36
  6. Step 6: Final answer
    x = 578,011.11

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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.