Home / 1,588,386.61-2,192,164.81-909,308.53

Finding the Fourth Proportional to 1,588,386.61, 2,192,164.81 and 909,308.53

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Solution

The fourth proportional to 1,588,386.61, 2,192,164.81 and 909,308.53 is: 1,254,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,386.61 : 2,192,164.81 = 909,308.53 : x
  2. Step 2: Convert to fraction form
    1,588,386.61/2,192,164.81 = 909,308.53/x
  3. Step 3: Cross multiply
    1,588,386.61x = 2,192,164.81 × 909,308.53
  4. Step 4: Simplify right side
    1,588,386.61x = 1,993,354,166,480.62
  5. Step 5: Solve for x
    x = 1,993,354,166,480.62/1,588,386.61
  6. Step 6: Final answer
    x = 1,254,955.28

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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.