Home / 1,205,518.61-1,808,783.96-750,490.40

Finding the Fourth Proportional to 1,205,518.61, 1,808,783.96 and 750,490.40

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Solution

The fourth proportional to 1,205,518.61, 1,808,783.96 and 750,490.40 is: 1,126,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,518.61 : 1,808,783.96 = 750,490.40 : x
  2. Step 2: Convert to fraction form
    1,205,518.61/1,808,783.96 = 750,490.40/x
  3. Step 3: Cross multiply
    1,205,518.61x = 1,808,783.96 × 750,490.40
  4. Step 4: Simplify right side
    1,205,518.61x = 1,357,474,984,857.61
  5. Step 5: Solve for x
    x = 1,357,474,984,857.61/1,205,518.61
  6. Step 6: Final answer
    x = 1,126,050.63

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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.