Home / 989,506.80-1,484,260.20-930,457.80

Finding the Fourth Proportional to 989,506.80, 1,484,260.20 and 930,457.80

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Solution

The fourth proportional to 989,506.80, 1,484,260.20 and 930,457.80 is: 1,395,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,506.80 : 1,484,260.20 = 930,457.80 : x
  2. Step 2: Convert to fraction form
    989,506.80/1,484,260.20 = 930,457.80/x
  3. Step 3: Cross multiply
    989,506.80x = 1,484,260.20 × 930,457.80
  4. Step 4: Simplify right side
    989,506.80x = 1,381,041,480,319.56
  5. Step 5: Solve for x
    x = 1,381,041,480,319.56/989,506.80
  6. Step 6: Final answer
    x = 1,395,686.70

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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.