Home / 926,672.40-1,390,008.60-912,675.60

Finding the Fourth Proportional to 926,672.40, 1,390,008.60 and 912,675.60

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Solution

The fourth proportional to 926,672.40, 1,390,008.60 and 912,675.60 is: 1,369,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,672.40 : 1,390,008.60 = 912,675.60 : x
  2. Step 2: Convert to fraction form
    926,672.40/1,390,008.60 = 912,675.60/x
  3. Step 3: Cross multiply
    926,672.40x = 1,390,008.60 × 912,675.60
  4. Step 4: Simplify right side
    926,672.40x = 1,268,626,933,010.16
  5. Step 5: Solve for x
    x = 1,268,626,933,010.16/926,672.40
  6. Step 6: Final answer
    x = 1,369,013.40

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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.