Home / 1,283,962.02-1,926,263.25-385,420.38

Finding the Fourth Proportional to 1,283,962.02, 1,926,263.25 and 385,420.38

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Solution

The fourth proportional to 1,283,962.02, 1,926,263.25 and 385,420.38 is: 578,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,962.02 : 1,926,263.25 = 385,420.38 : x
  2. Step 2: Convert to fraction form
    1,283,962.02/1,926,263.25 = 385,420.38/x
  3. Step 3: Cross multiply
    1,283,962.02x = 1,926,263.25 × 385,420.38
  4. Step 4: Simplify right side
    1,283,962.02x = 742,421,113,795.04
  5. Step 5: Solve for x
    x = 742,421,113,795.04/1,283,962.02
  6. Step 6: Final answer
    x = 578,226.69

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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.