Home / 1,300,737.60-1,950,328.80-670,881.60

Finding the Fourth Proportional to 1,300,737.60, 1,950,328.80 and 670,881.60

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Solution

The fourth proportional to 1,300,737.60, 1,950,328.80 and 670,881.60 is: 1,005,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,737.60 : 1,950,328.80 = 670,881.60 : x
  2. Step 2: Convert to fraction form
    1,300,737.60/1,950,328.80 = 670,881.60/x
  3. Step 3: Cross multiply
    1,300,737.60x = 1,950,328.80 × 670,881.60
  4. Step 4: Simplify right side
    1,300,737.60x = 1,308,439,705,870.08
  5. Step 5: Solve for x
    x = 1,308,439,705,870.08/1,300,737.60
  6. Step 6: Final answer
    x = 1,005,921.34

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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.