Home / 1,358,988.30-1,875,356.01-747,136.58

Finding the Fourth Proportional to 1,358,988.30, 1,875,356.01 and 747,136.58

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Solution

The fourth proportional to 1,358,988.30, 1,875,356.01 and 747,136.58 is: 1,031,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,988.30 : 1,875,356.01 = 747,136.58 : x
  2. Step 2: Convert to fraction form
    1,358,988.30/1,875,356.01 = 747,136.58/x
  3. Step 3: Cross multiply
    1,358,988.30x = 1,875,356.01 × 747,136.58
  4. Step 4: Simplify right side
    1,358,988.30x = 1,401,147,066,217.07
  5. Step 5: Solve for x
    x = 1,401,147,066,217.07/1,358,988.30
  6. Step 6: Final answer
    x = 1,031,022.17

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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.