Home / 1,402,211.20-2,103,316.80-898,326.40

Finding the Fourth Proportional to 1,402,211.20, 2,103,316.80 and 898,326.40

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Solution

The fourth proportional to 1,402,211.20, 2,103,316.80 and 898,326.40 is: 1,347,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,211.20 : 2,103,316.80 = 898,326.40 : x
  2. Step 2: Convert to fraction form
    1,402,211.20/2,103,316.80 = 898,326.40/x
  3. Step 3: Cross multiply
    1,402,211.20x = 2,103,316.80 × 898,326.40
  4. Step 4: Simplify right side
    1,402,211.20x = 1,889,465,009,003.52
  5. Step 5: Solve for x
    x = 1,889,465,009,003.52/1,402,211.20
  6. Step 6: Final answer
    x = 1,347,489.60

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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.