Home / 1,688,014.63-2,532,018.18-1,304,321.40

Finding the Fourth Proportional to 1,688,014.63, 2,532,018.18 and 1,304,321.40

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Solution

The fourth proportional to 1,688,014.63, 2,532,018.18 and 1,304,321.40 is: 1,956,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,014.63 : 2,532,018.18 = 1,304,321.40 : x
  2. Step 2: Convert to fraction form
    1,688,014.63/2,532,018.18 = 1,304,321.40/x
  3. Step 3: Cross multiply
    1,688,014.63x = 2,532,018.18 × 1,304,321.40
  4. Step 4: Simplify right side
    1,688,014.63x = 3,302,565,502,254.26
  5. Step 5: Solve for x
    x = 3,302,565,502,254.26/1,688,014.63
  6. Step 6: Final answer
    x = 1,956,479.20

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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.