Home / 1,360,485.40-1,880,059.28-1,020,363.16

Finding the Fourth Proportional to 1,360,485.40, 1,880,059.28 and 1,020,363.16

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Solution

The fourth proportional to 1,360,485.40, 1,880,059.28 and 1,020,363.16 is: 1,410,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,485.40 : 1,880,059.28 = 1,020,363.16 : x
  2. Step 2: Convert to fraction form
    1,360,485.40/1,880,059.28 = 1,020,363.16/x
  3. Step 3: Cross multiply
    1,360,485.40x = 1,880,059.28 × 1,020,363.16
  4. Step 4: Simplify right side
    1,360,485.40x = 1,918,343,227,928.13
  5. Step 5: Solve for x
    x = 1,918,343,227,928.13/1,360,485.40
  6. Step 6: Final answer
    x = 1,410,043.23

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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.