Home / 1,390,700.40-2,086,050.60-893,036.40

Finding the Fourth Proportional to 1,390,700.40, 2,086,050.60 and 893,036.40

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Solution

The fourth proportional to 1,390,700.40, 2,086,050.60 and 893,036.40 is: 1,339,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,700.40 : 2,086,050.60 = 893,036.40 : x
  2. Step 2: Convert to fraction form
    1,390,700.40/2,086,050.60 = 893,036.40/x
  3. Step 3: Cross multiply
    1,390,700.40x = 2,086,050.60 × 893,036.40
  4. Step 4: Simplify right side
    1,390,700.40x = 1,862,919,118,041.84
  5. Step 5: Solve for x
    x = 1,862,919,118,041.84/1,390,700.40
  6. Step 6: Final answer
    x = 1,339,554.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.