Home / 1,958,097.35-2,936,428.40-678,374.30

Finding the Fourth Proportional to 1,958,097.35, 2,936,428.40 and 678,374.30

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Solution

The fourth proportional to 1,958,097.35, 2,936,428.40 and 678,374.30 is: 1,017,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,097.35 : 2,936,428.40 = 678,374.30 : x
  2. Step 2: Convert to fraction form
    1,958,097.35/2,936,428.40 = 678,374.30/x
  3. Step 3: Cross multiply
    1,958,097.35x = 2,936,428.40 × 678,374.30
  4. Step 4: Simplify right side
    1,958,097.35x = 1,991,997,547,363.91
  5. Step 5: Solve for x
    x = 1,991,997,547,363.91/1,958,097.35
  6. Step 6: Final answer
    x = 1,017,312.83

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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.