Home / 1,478,411.40-2,217,617.10-974,526.60

Finding the Fourth Proportional to 1,478,411.40, 2,217,617.10 and 974,526.60

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Solution

The fourth proportional to 1,478,411.40, 2,217,617.10 and 974,526.60 is: 1,461,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,411.40 : 2,217,617.10 = 974,526.60 : x
  2. Step 2: Convert to fraction form
    1,478,411.40/2,217,617.10 = 974,526.60/x
  3. Step 3: Cross multiply
    1,478,411.40x = 2,217,617.10 × 974,526.60
  4. Step 4: Simplify right side
    1,478,411.40x = 2,161,126,852,564.86
  5. Step 5: Solve for x
    x = 2,161,126,852,564.86/1,478,411.40
  6. Step 6: Final answer
    x = 1,461,789.90

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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.