Home / 1,430,588.73-1,975,959-1,069,613.45

Finding the Fourth Proportional to 1,430,588.73, 1,975,959 and 1,069,613.45

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Solution

The fourth proportional to 1,430,588.73, 1,975,959 and 1,069,613.45 is: 1,477,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,588.73 : 1,975,959 = 1,069,613.45 : x
  2. Step 2: Convert to fraction form
    1,430,588.73/1,975,959 = 1,069,613.45/x
  3. Step 3: Cross multiply
    1,430,588.73x = 1,975,959 × 1,069,613.45
  4. Step 4: Simplify right side
    1,430,588.73x = 2,113,512,323,048.55
  5. Step 5: Solve for x
    x = 2,113,512,323,048.55/1,430,588.73
  6. Step 6: Final answer
    x = 1,477,372.41

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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.