Home / 1,064,321.20-1,596,919.20-390,725.20

Finding the Fourth Proportional to 1,064,321.20, 1,596,919.20 and 390,725.20

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Solution

The fourth proportional to 1,064,321.20, 1,596,919.20 and 390,725.20 is: 586,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,321.20 : 1,596,919.20 = 390,725.20 : x
  2. Step 2: Convert to fraction form
    1,064,321.20/1,596,919.20 = 390,725.20/x
  3. Step 3: Cross multiply
    1,064,321.20x = 1,596,919.20 × 390,725.20
  4. Step 4: Simplify right side
    1,064,321.20x = 623,956,573,803.84
  5. Step 5: Solve for x
    x = 623,956,573,803.84/1,064,321.20
  6. Step 6: Final answer
    x = 586,248.37

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1.5x scale

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.