Home / 1,030,106.25-1,421,520.40-571,213.51

Finding the Fourth Proportional to 1,030,106.25, 1,421,520.40 and 571,213.51

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Solution

The fourth proportional to 1,030,106.25, 1,421,520.40 and 571,213.51 is: 788,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,106.25 : 1,421,520.40 = 571,213.51 : x
  2. Step 2: Convert to fraction form
    1,030,106.25/1,421,520.40 = 571,213.51/x
  3. Step 3: Cross multiply
    1,030,106.25x = 1,421,520.40 × 571,213.51
  4. Step 4: Simplify right side
    1,030,106.25x = 811,991,657,220.60
  5. Step 5: Solve for x
    x = 811,991,657,220.60/1,030,106.25
  6. Step 6: Final answer
    x = 788,260.10

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Double scale
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Similar ratio
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1.5x scale

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.