Home / 1,285,030.62-1,925,518.12-474,299.15

Finding the Fourth Proportional to 1,285,030.62, 1,925,518.12 and 474,299.15

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Solution

The fourth proportional to 1,285,030.62, 1,925,518.12 and 474,299.15 is: 710,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,030.62 : 1,925,518.12 = 474,299.15 : x
  2. Step 2: Convert to fraction form
    1,285,030.62/1,925,518.12 = 474,299.15/x
  3. Step 3: Cross multiply
    1,285,030.62x = 1,925,518.12 × 474,299.15
  4. Step 4: Simplify right side
    1,285,030.62x = 913,271,607,625.60
  5. Step 5: Solve for x
    x = 913,271,607,625.60/1,285,030.62
  6. Step 6: Final answer
    x = 710,700.27

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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.