Home / 1,303,307.40-1,954,961.10-805,643.40

Finding the Fourth Proportional to 1,303,307.40, 1,954,961.10 and 805,643.40

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Solution

The fourth proportional to 1,303,307.40, 1,954,961.10 and 805,643.40 is: 1,208,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,307.40 : 1,954,961.10 = 805,643.40 : x
  2. Step 2: Convert to fraction form
    1,303,307.40/1,954,961.10 = 805,643.40/x
  3. Step 3: Cross multiply
    1,303,307.40x = 1,954,961.10 × 805,643.40
  4. Step 4: Simplify right side
    1,303,307.40x = 1,575,001,507,471.74
  5. Step 5: Solve for x
    x = 1,575,001,507,471.74/1,303,307.40
  6. Step 6: Final answer
    x = 1,208,465.10

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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.