Home / 1,007,209.98-1,390,050.18-752,118.30

Finding the Fourth Proportional to 1,007,209.98, 1,390,050.18 and 752,118.30

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Solution

The fourth proportional to 1,007,209.98, 1,390,050.18 and 752,118.30 is: 1,037,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,209.98 : 1,390,050.18 = 752,118.30 : x
  2. Step 2: Convert to fraction form
    1,007,209.98/1,390,050.18 = 752,118.30/x
  3. Step 3: Cross multiply
    1,007,209.98x = 1,390,050.18 × 752,118.30
  4. Step 4: Simplify right side
    1,007,209.98x = 1,045,482,178,296.29
  5. Step 5: Solve for x
    x = 1,045,482,178,296.29/1,007,209.98
  6. Step 6: Final answer
    x = 1,037,998.23

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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.