Home / 1,158,142-1,598,301.56-649,008.40

Finding the Fourth Proportional to 1,158,142, 1,598,301.56 and 649,008.40

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Solution

The fourth proportional to 1,158,142, 1,598,301.56 and 649,008.40 is: 895,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,142 : 1,598,301.56 = 649,008.40 : x
  2. Step 2: Convert to fraction form
    1,158,142/1,598,301.56 = 649,008.40/x
  3. Step 3: Cross multiply
    1,158,142x = 1,598,301.56 × 649,008.40
  4. Step 4: Simplify right side
    1,158,142x = 1,037,311,138,173.10
  5. Step 5: Solve for x
    x = 1,037,311,138,173.10/1,158,142
  6. Step 6: Final answer
    x = 895,668.35

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1.5x scale

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.