Home / 1,013,582.67-1,398,683.79-554,605.68

Finding the Fourth Proportional to 1,013,582.67, 1,398,683.79 and 554,605.68

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Solution

The fourth proportional to 1,013,582.67, 1,398,683.79 and 554,605.68 is: 765,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,582.67 : 1,398,683.79 = 554,605.68 : x
  2. Step 2: Convert to fraction form
    1,013,582.67/1,398,683.79 = 554,605.68/x
  3. Step 3: Cross multiply
    1,013,582.67x = 1,398,683.79 × 554,605.68
  4. Step 4: Simplify right side
    1,013,582.67x = 775,717,974,457.93
  5. Step 5: Solve for x
    x = 775,717,974,457.93/1,013,582.67
  6. Step 6: Final answer
    x = 765,322.85

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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.