Home / 856,547.40-1,284,821.10-804,059.40

Finding the Fourth Proportional to 856,547.40, 1,284,821.10 and 804,059.40

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Solution

The fourth proportional to 856,547.40, 1,284,821.10 and 804,059.40 is: 1,206,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,547.40 : 1,284,821.10 = 804,059.40 : x
  2. Step 2: Convert to fraction form
    856,547.40/1,284,821.10 = 804,059.40/x
  3. Step 3: Cross multiply
    856,547.40x = 1,284,821.10 × 804,059.40
  4. Step 4: Simplify right side
    856,547.40x = 1,033,072,482,773.34
  5. Step 5: Solve for x
    x = 1,033,072,482,773.34/856,547.40
  6. Step 6: Final answer
    x = 1,206,089.10

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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.