Home / 985,655.10-1,478,482.65-885,927.90

Finding the Fourth Proportional to 985,655.10, 1,478,482.65 and 885,927.90

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Solution

The fourth proportional to 985,655.10, 1,478,482.65 and 885,927.90 is: 1,328,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,655.10 : 1,478,482.65 = 885,927.90 : x
  2. Step 2: Convert to fraction form
    985,655.10/1,478,482.65 = 885,927.90/x
  3. Step 3: Cross multiply
    985,655.10x = 1,478,482.65 × 885,927.90
  4. Step 4: Simplify right side
    985,655.10x = 1,309,829,029,300.94
  5. Step 5: Solve for x
    x = 1,309,829,029,300.94/985,655.10
  6. Step 6: Final answer
    x = 1,328,891.85

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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.