Home / 1,342,085-1,852,090.28-738,485.96

Finding the Fourth Proportional to 1,342,085, 1,852,090.28 and 738,485.96

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Solution

The fourth proportional to 1,342,085, 1,852,090.28 and 738,485.96 is: 1,019,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,085 : 1,852,090.28 = 738,485.96 : x
  2. Step 2: Convert to fraction form
    1,342,085/1,852,090.28 = 738,485.96/x
  3. Step 3: Cross multiply
    1,342,085x = 1,852,090.28 × 738,485.96
  4. Step 4: Simplify right side
    1,342,085x = 1,367,742,668,432.47
  5. Step 5: Solve for x
    x = 1,367,742,668,432.47/1,342,085
  6. Step 6: Final answer
    x = 1,019,117.77

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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.