Home / 1,490,037.17-2,056,646.70-917,557.11

Finding the Fourth Proportional to 1,490,037.17, 2,056,646.70 and 917,557.11

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Solution

The fourth proportional to 1,490,037.17, 2,056,646.70 and 917,557.11 is: 1,266,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,037.17 : 2,056,646.70 = 917,557.11 : x
  2. Step 2: Convert to fraction form
    1,490,037.17/2,056,646.70 = 917,557.11/x
  3. Step 3: Cross multiply
    1,490,037.17x = 2,056,646.70 × 917,557.11
  4. Step 4: Simplify right side
    1,490,037.17x = 1,887,090,802,343.04
  5. Step 5: Solve for x
    x = 1,887,090,802,343.04/1,490,037.17
  6. Step 6: Final answer
    x = 1,266,472.30

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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.