Home / 1,013,492.13-1,398,619.28-554,606.80

Finding the Fourth Proportional to 1,013,492.13, 1,398,619.28 and 554,606.80

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Solution

The fourth proportional to 1,013,492.13, 1,398,619.28 and 554,606.80 is: 765,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,492.13 : 1,398,619.28 = 554,606.80 : x
  2. Step 2: Convert to fraction form
    1,013,492.13/1,398,619.28 = 554,606.80/x
  3. Step 3: Cross multiply
    1,013,492.13x = 1,398,619.28 × 554,606.80
  4. Step 4: Simplify right side
    1,013,492.13x = 775,683,763,299.10
  5. Step 5: Solve for x
    x = 775,683,763,299.10/1,013,492.13
  6. Step 6: Final answer
    x = 765,357.46

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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.