Home / 1,360,486.40-1,880,060.66-1,020,364.16

Finding the Fourth Proportional to 1,360,486.40, 1,880,060.66 and 1,020,364.16

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Solution

The fourth proportional to 1,360,486.40, 1,880,060.66 and 1,020,364.16 is: 1,410,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,486.40 : 1,880,060.66 = 1,020,364.16 : x
  2. Step 2: Convert to fraction form
    1,360,486.40/1,880,060.66 = 1,020,364.16/x
  3. Step 3: Cross multiply
    1,360,486.40x = 1,880,060.66 × 1,020,364.16
  4. Step 4: Simplify right side
    1,360,486.40x = 1,918,346,516,089.95
  5. Step 5: Solve for x
    x = 1,918,346,516,089.95/1,360,486.40
  6. Step 6: Final answer
    x = 1,410,044.61

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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.