Home / 1,007,617.93-1,390,506.65-554,905.69

Finding the Fourth Proportional to 1,007,617.93, 1,390,506.65 and 554,905.69

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Solution

The fourth proportional to 1,007,617.93, 1,390,506.65 and 554,905.69 is: 765,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,617.93 : 1,390,506.65 = 554,905.69 : x
  2. Step 2: Convert to fraction form
    1,007,617.93/1,390,506.65 = 554,905.69/x
  3. Step 3: Cross multiply
    1,007,617.93x = 1,390,506.65 × 554,905.69
  4. Step 4: Simplify right side
    1,007,617.93x = 771,600,047,897.94
  5. Step 5: Solve for x
    x = 771,600,047,897.94/1,007,617.93
  6. Step 6: Final answer
    x = 765,766.49

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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.