Home / 840,457.55-1,254,131.19-749,877.53

Finding the Fourth Proportional to 840,457.55, 1,254,131.19 and 749,877.53

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Solution

The fourth proportional to 840,457.55, 1,254,131.19 and 749,877.53 is: 1,118,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,457.55 : 1,254,131.19 = 749,877.53 : x
  2. Step 2: Convert to fraction form
    840,457.55/1,254,131.19 = 749,877.53/x
  3. Step 3: Cross multiply
    840,457.55x = 1,254,131.19 × 749,877.53
  4. Step 4: Simplify right side
    840,457.55x = 940,444,799,053.16
  5. Step 5: Solve for x
    x = 940,444,799,053.16/840,457.55
  6. Step 6: Final answer
    x = 1,118,967.64

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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.