Home / 1,564,545.72-2,158,703.04-885,482.20

Finding the Fourth Proportional to 1,564,545.72, 2,158,703.04 and 885,482.20

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Solution

The fourth proportional to 1,564,545.72, 2,158,703.04 and 885,482.20 is: 1,221,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,545.72 : 2,158,703.04 = 885,482.20 : x
  2. Step 2: Convert to fraction form
    1,564,545.72/2,158,703.04 = 885,482.20/x
  3. Step 3: Cross multiply
    1,564,545.72x = 2,158,703.04 × 885,482.20
  4. Step 4: Simplify right side
    1,564,545.72x = 1,911,493,117,005.89
  5. Step 5: Solve for x
    x = 1,911,493,117,005.89/1,564,545.72
  6. Step 6: Final answer
    x = 1,221,756.00

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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.