Home / 1,506,280.74-2,078,659.86-817,946.45

Finding the Fourth Proportional to 1,506,280.74, 2,078,659.86 and 817,946.45

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Solution

The fourth proportional to 1,506,280.74, 2,078,659.86 and 817,946.45 is: 1,128,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,280.74 : 2,078,659.86 = 817,946.45 : x
  2. Step 2: Convert to fraction form
    1,506,280.74/2,078,659.86 = 817,946.45/x
  3. Step 3: Cross multiply
    1,506,280.74x = 2,078,659.86 × 817,946.45
  4. Step 4: Simplify right side
    1,506,280.74x = 1,700,232,453,244.50
  5. Step 5: Solve for x
    x = 1,700,232,453,244.50/1,506,280.74
  6. Step 6: Final answer
    x = 1,128,762.00

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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.