Home / 1,648,056.60-2,470,116.60-688,510.35

Finding the Fourth Proportional to 1,648,056.60, 2,470,116.60 and 688,510.35

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Solution

The fourth proportional to 1,648,056.60, 2,470,116.60 and 688,510.35 is: 1,031,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,056.60 : 2,470,116.60 = 688,510.35 : x
  2. Step 2: Convert to fraction form
    1,648,056.60/2,470,116.60 = 688,510.35/x
  3. Step 3: Cross multiply
    1,648,056.60x = 2,470,116.60 × 688,510.35
  4. Step 4: Simplify right side
    1,648,056.60x = 1,700,700,844,806.81
  5. Step 5: Solve for x
    x = 1,700,700,844,806.81/1,648,056.60
  6. Step 6: Final answer
    x = 1,031,943.23

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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.