Home / 1,069,430.37-1,604,146.76-270,711.94

Finding the Fourth Proportional to 1,069,430.37, 1,604,146.76 and 270,711.94

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Solution

The fourth proportional to 1,069,430.37, 1,604,146.76 and 270,711.94 is: 406,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,430.37 : 1,604,146.76 = 270,711.94 : x
  2. Step 2: Convert to fraction form
    1,069,430.37/1,604,146.76 = 270,711.94/x
  3. Step 3: Cross multiply
    1,069,430.37x = 1,604,146.76 × 270,711.94
  4. Step 4: Simplify right side
    1,069,430.37x = 434,261,681,444.31
  5. Step 5: Solve for x
    x = 434,261,681,444.31/1,069,430.37
  6. Step 6: Final answer
    x = 406,068.22

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.