Home / 942,123.48-1,406,803.70-747,817.95

Finding the Fourth Proportional to 942,123.48, 1,406,803.70 and 747,817.95

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Solution

The fourth proportional to 942,123.48, 1,406,803.70 and 747,817.95 is: 1,116,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,123.48 : 1,406,803.70 = 747,817.95 : x
  2. Step 2: Convert to fraction form
    942,123.48/1,406,803.70 = 747,817.95/x
  3. Step 3: Cross multiply
    942,123.48x = 1,406,803.70 × 747,817.95
  4. Step 4: Simplify right side
    942,123.48x = 1,052,033,058,986.41
  5. Step 5: Solve for x
    x = 1,052,033,058,986.41/942,123.48
  6. Step 6: Final answer
    x = 1,116,661.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.