Home / 1,048,427.10-1,570,307.85-861,803.10

Finding the Fourth Proportional to 1,048,427.10, 1,570,307.85 and 861,803.10

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Solution

The fourth proportional to 1,048,427.10, 1,570,307.85 and 861,803.10 is: 1,290,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,427.10 : 1,570,307.85 = 861,803.10 : x
  2. Step 2: Convert to fraction form
    1,048,427.10/1,570,307.85 = 861,803.10/x
  3. Step 3: Cross multiply
    1,048,427.10x = 1,570,307.85 × 861,803.10
  4. Step 4: Simplify right side
    1,048,427.10x = 1,353,296,173,084.34
  5. Step 5: Solve for x
    x = 1,353,296,173,084.34/1,048,427.10
  6. Step 6: Final answer
    x = 1,290,787.10

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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.