Home / 1,316,930.48-1,975,583.71-406,189.60

Finding the Fourth Proportional to 1,316,930.48, 1,975,583.71 and 406,189.60

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Solution

The fourth proportional to 1,316,930.48, 1,975,583.71 and 406,189.60 is: 609,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,930.48 : 1,975,583.71 = 406,189.60 : x
  2. Step 2: Convert to fraction form
    1,316,930.48/1,975,583.71 = 406,189.60/x
  3. Step 3: Cross multiply
    1,316,930.48x = 1,975,583.71 × 406,189.60
  4. Step 4: Simplify right side
    1,316,930.48x = 802,461,561,328.04
  5. Step 5: Solve for x
    x = 802,461,561,328.04/1,316,930.48
  6. Step 6: Final answer
    x = 609,342.38

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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.