Home / 1,030,314.09-1,421,812.26-571,354.60

Finding the Fourth Proportional to 1,030,314.09, 1,421,812.26 and 571,354.60

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Solution

The fourth proportional to 1,030,314.09, 1,421,812.26 and 571,354.60 is: 788,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,314.09 : 1,421,812.26 = 571,354.60 : x
  2. Step 2: Convert to fraction form
    1,030,314.09/1,421,812.26 = 571,354.60/x
  3. Step 3: Cross multiply
    1,030,314.09x = 1,421,812.26 × 571,354.60
  4. Step 4: Simplify right side
    1,030,314.09x = 812,358,975,087.40
  5. Step 5: Solve for x
    x = 812,358,975,087.40/1,030,314.09
  6. Step 6: Final answer
    x = 788,457.60

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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.