Home / 1,384,048.60-2,074,517.70-709,869.40

Finding the Fourth Proportional to 1,384,048.60, 2,074,517.70 and 709,869.40

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Solution

The fourth proportional to 1,384,048.60, 2,074,517.70 and 709,869.40 is: 1,064,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,048.60 : 2,074,517.70 = 709,869.40 : x
  2. Step 2: Convert to fraction form
    1,384,048.60/2,074,517.70 = 709,869.40/x
  3. Step 3: Cross multiply
    1,384,048.60x = 2,074,517.70 × 709,869.40
  4. Step 4: Simplify right side
    1,384,048.60x = 1,472,636,634,988.38
  5. Step 5: Solve for x
    x = 1,472,636,634,988.38/1,384,048.60
  6. Step 6: Final answer
    x = 1,064,006.45

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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.