Home / 1,140,602.31-1,574,381.88-657,490.32

Finding the Fourth Proportional to 1,140,602.31, 1,574,381.88 and 657,490.32

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Solution

The fourth proportional to 1,140,602.31, 1,574,381.88 and 657,490.32 is: 907,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,602.31 : 1,574,381.88 = 657,490.32 : x
  2. Step 2: Convert to fraction form
    1,140,602.31/1,574,381.88 = 657,490.32/x
  3. Step 3: Cross multiply
    1,140,602.31x = 1,574,381.88 × 657,490.32
  4. Step 4: Simplify right side
    1,140,602.31x = 1,035,140,846,083.40
  5. Step 5: Solve for x
    x = 1,035,140,846,083.40/1,140,602.31
  6. Step 6: Final answer
    x = 907,538.80

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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.