Home / 1,005,834.03-1,388,008.71-570,280.68

Finding the Fourth Proportional to 1,005,834.03, 1,388,008.71 and 570,280.68

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Solution

The fourth proportional to 1,005,834.03, 1,388,008.71 and 570,280.68 is: 786,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,834.03 : 1,388,008.71 = 570,280.68 : x
  2. Step 2: Convert to fraction form
    1,005,834.03/1,388,008.71 = 570,280.68/x
  3. Step 3: Cross multiply
    1,005,834.03x = 1,388,008.71 × 570,280.68
  4. Step 4: Simplify right side
    1,005,834.03x = 791,554,547,080.92
  5. Step 5: Solve for x
    x = 791,554,547,080.92/1,005,834.03
  6. Step 6: Final answer
    x = 786,963.38

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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.