Home / 1,283,917.23-1,925,871.26-385,355.07

Finding the Fourth Proportional to 1,283,917.23, 1,925,871.26 and 385,355.07

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Solution

The fourth proportional to 1,283,917.23, 1,925,871.26 and 385,355.07 is: 578,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,917.23 : 1,925,871.26 = 385,355.07 : x
  2. Step 2: Convert to fraction form
    1,283,917.23/1,925,871.26 = 385,355.07/x
  3. Step 3: Cross multiply
    1,283,917.23x = 1,925,871.26 × 385,355.07
  4. Step 4: Simplify right side
    1,283,917.23x = 742,144,252,281.51
  5. Step 5: Solve for x
    x = 742,144,252,281.51/1,283,917.23
  6. Step 6: Final answer
    x = 578,031.23

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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.