Home / 1,526,705.34-2,286,570.07-728,547.40

Finding the Fourth Proportional to 1,526,705.34, 2,286,570.07 and 728,547.40

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Solution

The fourth proportional to 1,526,705.34, 2,286,570.07 and 728,547.40 is: 1,091,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,705.34 : 2,286,570.07 = 728,547.40 : x
  2. Step 2: Convert to fraction form
    1,526,705.34/2,286,570.07 = 728,547.40/x
  3. Step 3: Cross multiply
    1,526,705.34x = 2,286,570.07 × 728,547.40
  4. Step 4: Simplify right side
    1,526,705.34x = 1,665,874,679,416.32
  5. Step 5: Solve for x
    x = 1,665,874,679,416.32/1,526,705.34
  6. Step 6: Final answer
    x = 1,091,156.65

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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.