Home / 1,107,564.10-1,528,376.25-655,000.90

Finding the Fourth Proportional to 1,107,564.10, 1,528,376.25 and 655,000.90

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Solution

The fourth proportional to 1,107,564.10, 1,528,376.25 and 655,000.90 is: 903,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,564.10 : 1,528,376.25 = 655,000.90 : x
  2. Step 2: Convert to fraction form
    1,107,564.10/1,528,376.25 = 655,000.90/x
  3. Step 3: Cross multiply
    1,107,564.10x = 1,528,376.25 × 655,000.90
  4. Step 4: Simplify right side
    1,107,564.10x = 1,001,087,819,288.63
  5. Step 5: Solve for x
    x = 1,001,087,819,288.63/1,107,564.10
  6. Step 6: Final answer
    x = 903,864.45

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Double scale
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1.5x scale

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.