Home / 1,303,607.40-1,955,411.10-770,854.20

Finding the Fourth Proportional to 1,303,607.40, 1,955,411.10 and 770,854.20

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Solution

The fourth proportional to 1,303,607.40, 1,955,411.10 and 770,854.20 is: 1,156,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,607.40 : 1,955,411.10 = 770,854.20 : x
  2. Step 2: Convert to fraction form
    1,303,607.40/1,955,411.10 = 770,854.20/x
  3. Step 3: Cross multiply
    1,303,607.40x = 1,955,411.10 × 770,854.20
  4. Step 4: Simplify right side
    1,303,607.40x = 1,507,336,859,161.62
  5. Step 5: Solve for x
    x = 1,507,336,859,161.62/1,303,607.40
  6. Step 6: Final answer
    x = 1,156,281.30

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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.