Home / 1,500,916.78-2,071,266.04-812,588.84

Finding the Fourth Proportional to 1,500,916.78, 2,071,266.04 and 812,588.84

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Solution

The fourth proportional to 1,500,916.78, 2,071,266.04 and 812,588.84 is: 1,121,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,916.78 : 2,071,266.04 = 812,588.84 : x
  2. Step 2: Convert to fraction form
    1,500,916.78/2,071,266.04 = 812,588.84/x
  3. Step 3: Cross multiply
    1,500,916.78x = 2,071,266.04 × 812,588.84
  4. Step 4: Simplify right side
    1,500,916.78x = 1,683,087,668,774.99
  5. Step 5: Solve for x
    x = 1,683,087,668,774.99/1,500,916.78
  6. Step 6: Final answer
    x = 1,121,373.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.