Home / 1,158,145-1,598,305.70-649,011.40

Finding the Fourth Proportional to 1,158,145, 1,598,305.70 and 649,011.40

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Solution

The fourth proportional to 1,158,145, 1,598,305.70 and 649,011.40 is: 895,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,145 : 1,598,305.70 = 649,011.40 : x
  2. Step 2: Convert to fraction form
    1,158,145/1,598,305.70 = 649,011.40/x
  3. Step 3: Cross multiply
    1,158,145x = 1,598,305.70 × 649,011.40
  4. Step 4: Simplify right side
    1,158,145x = 1,037,318,619,984.98
  5. Step 5: Solve for x
    x = 1,037,318,619,984.98/1,158,145
  6. Step 6: Final answer
    x = 895,672.49

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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.