Home / 1,052,276.04-1,578,428.64-342,307.80

Finding the Fourth Proportional to 1,052,276.04, 1,578,428.64 and 342,307.80

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Solution

The fourth proportional to 1,052,276.04, 1,578,428.64 and 342,307.80 is: 513,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,276.04 : 1,578,428.64 = 342,307.80 : x
  2. Step 2: Convert to fraction form
    1,052,276.04/1,578,428.64 = 342,307.80/x
  3. Step 3: Cross multiply
    1,052,276.04x = 1,578,428.64 × 342,307.80
  4. Step 4: Simplify right side
    1,052,276.04x = 540,308,435,215.39
  5. Step 5: Solve for x
    x = 540,308,435,215.39/1,052,276.04
  6. Step 6: Final answer
    x = 513,466.44

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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.